1. (3x^3-2x^2)+(-12x+8)=0 x^2(3x-2)-4(3x-2) (3x-2)(x^2-4)=0 You can factor out (x^2-4) to (x+2)(x-2). Solve for x 2x-8=0. A quadratic equation is a second degree polynomial having the general form ax^2 + bx + c = 0, where a, b, and c Save to Notebook! Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. Step 3. If any individual factor on the left side of the equation is equal to 0 0, the Algebra. Solve Using the Quadratic Formula 2x^2+3x-8=0. Tap for more steps (x−2)(x+ 4) = 0 ( x - 2) ( x + 4) = 0. Factor out the greatest common factor from each group. Related Symbolab blog posts. The derivative of ax^{n} is nax^{n-1}.This is achieved by dividing both sides of the equation by 2. 100. Step 9. Use the quadratic formula to find the solutions. Tap for more steps (3x+4)(x −2) = 0 ( 3 x + 4) ( x - 2) = 0 If any individual … Solve Using the Quadratic Formula 3x^2-2x-8=0 3x2 − 2x − 8 = 0 3 x 2 - 2 x - 8 = 0 Use the quadratic formula to find the solutions. The first term is, 3x2 its coefficient is 3 . Consider the form x2 + bx+c x 2 + b x + c.2. 2x2-x-3=0 Two solutions were found : x = -1 x = 3/2 = 1. 2x = 8 2 x = 8. Use the quadratic formula to find the solutions. Tap for more steps Step 3. Step 3.11.667 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 + 10x) - 8 = 0 Step 2 :Trying to factor by splitting 3x2+2x-21=0 Two solutions were found : x = -3 x = 7/3 = 2. Factor out of . If any individual factor on the left side of the equation is equal to 0 0, the entire Now we have to "split" the monomial #-2x# in two parts: #-2x=-6x+4x#. The first term is, 3x2 its coefficient is 3 . Solution. 2x_{8} Quiz. Factor out of . Use the quadratic formula to find the solutions. Solve Using the Quadratic Formula 2x^2+3x-8=0. Explicación paso a paso: Solve your math problems using our free math solver with step-by-step solutions. Step-1 : Multiply the coefficient of the first term by the constant 3 • -8 = -24. Step 3. Factor out the Explanation: since you have a number greater than 1 before the x2 you will need to multiply that by the −8 at the end to get true divisible numbers. Users may replace the input values of this equation 3x 2 - 2x - 8 = 0 to verify the similar calculations or generate complete work with steps to find what is the unknown or root value of x. Set equal to . a+b=-4 ab=1\times 4=4 .This is achieved by dividing both With a large polynomial like this, you'll need to factor in order to isolate the x and solve for it. Write the factored form using these integers. −3±√32 −4⋅ (2⋅−8) 2⋅2 - 3 ± 3x2-2x-8 Final result : (x - 2) • (3x + 4) Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 2x) - 8 Step 2 :Trying to factor by splitting the middle term Get Step by Step Now. The good candidates for solutions are factors of the last coefficient in the equation. Rational Roots Test is one of the above mentioned tools. 2±√(−2)2 −4 ⋅(3⋅−8) 2⋅3 2 ± ( - 2) 2 - 4 ⋅ ( 3 ⋅ - 8) 2 ⋅ 3 Steps Using Factoring By Grouping Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Polynomial 3x2 +2x−8 = 0 Videos Finding zeros of polynomials (1 of 2) Khan Academy Completing solutions to 2-variable equations Khan Academy Solution - Quadratic equations 3 x 2 − 2 x − 8 = 0 Step by step solution : Step 1 : Equation at the end of step 1 : (3x2 - 2x) - 8 = 0 Step 2 : Trying to factor by splitting the middle term 2. Verified by Toppr. Step 3. Compute answers using Wolfram's breakthrough technology & … Algebra Free math problem solver answers your algebra homework questions with step-by-step explanations. ±8,±4,±2,±1 . Solve by Factoring x^3-5x^2+2x+8=0. Step 1.1 Factoring x2+3x+2 The first term is, x2 its Answer link. Factor x x out of x3 −x2 − 2x x 3 - x 2 - 2 x. Tap for more steps x = 4 x = 4. Tap for more steps x(x−2)(x +1) = 0 x ( x - 2) ( x + 1) = 0.1. If any individual factor on the left side of the equation is equal to 0 0, the Solve by Factoring x^3-3x^2+2x=0. Tap for more steps 2(x−1)(3x+4) = 0 2 ( x - 1) ( 3 x + 4) = 0. Solve by Factoring x^3+4x^2-2x-8=0.2. Solve. The middle term is, -2x its coefficient is -2 . Step 2. Simplify ±√8 ± 8. 3.1. ↓ x − 3 = 0 x = 3. Solve for x.838 x = (2+√292)/18= (1+√ 73 )/9= 1. Step 1. ( x − 3) 2 = 0 Factor.0858 Method 2 Find the square of the binomial: (2x-3)^2 =8 4x^2 -12x+9 -8 =0 larr make equal to 0 4x^2 -12x +1 =0 Now using the 3x2+2x-8=0 Two solutions were found : x = -2 x = 4/3 = 1. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a.1.3333 are the roots of quadratic equation 3x 2 - 2x - 8 = 0. Differentiation. Factor using the rational roots test.1. Write the factored form using these integers.2. Tap for more steps 2(3x2 + x−4) = 0 2 ( 3 x 2 + x - 4) = 0. Complete the square for . Factor. Join / Login.0000 i x= 0. The last term, "the constant", is -8. Factor. The good candidates for solutions are factors of the last coefficient in the equation. Learn the basics, check your work, gain insight on different ways to solve problems. Algebra. (x +1)2 = 9. Step-1 : Multiply the coefficient of the first term by the constant 3 • -8 = -24. −3,1 - 3, 1.1. 3x2 = 2x+8.0000 - 2. Step 1. Step 2. Simplify the numerator. 3x^2 +2x-8=0 factorizacion Ver respuesta Publicidad Publicidad luchoangel1997 luchoangel1997 Respuesta: 3x² + 2x -8= por aspa siemple (3x-4)(x+2) =0 cada factor se iguala a 0. 3x2 + 2x 3 x 2 + 2 x. Substitute the values a = 3 a = 3, b = −2 b = - 2, and c = 0 c = 0 into the quadratic formula and solve for x x. Use the quadratic formula to find the solutions. If any individual factor on the left side of the equation is equal to 0 0, the Algebra. 3 x -8 = -24, ergo you need to find two numbers that multiply to get -24 and add up to reach -10 (your middle term). en. 3x2 + 2x −8 = 0. Get help on the web or … 2. The quadratic equation is − 3 x 2 + 2 x − 8 = 0 Comparing it with a x 2 + b x + c = 0 we get, a = Roots of cubic polynomial.yfilpmis dna 2 2 yb 8 = x 2 8 = x2 ni mret hcae ediviD . Substitute the values a = 1 a = 1, b = −2 b = - 2, and c = −8 c = - 8 into the quadratic formula and solve for x x. Tap for more steps x(x−2)(x +1) = 0 x ( x - 2) ( x + 1) = 0. Quadratic Formula. Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Quadratic equation { x } ^ { 2 } - 4 x - 5 = 0. 2 View solution steps. Add 1 to both sides of the equation : On the right hand side we have : 8 + 1 or, (8/1)+ (1/1) x2+2x-3=0 Two solutions were found : x = 1 x = -3 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.3333+1. Limits. Factor x x out of x3 −x2 − 2x x 3 - x 2 - 2 x.r. 3x^{2}-2x^{1-1} Subtract 1 from 3. 2±√(−2)2 −4 ⋅(1⋅−8) 2⋅1 2 99. Use app Login. Standard XII. Step 1. First, left hand side needs to be rewritten as x^{2}+ax+bx+4. Use the quadratic formula to find the solutions. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C.3 Find roots (zeroes) of : F (x) = x3-3x2-2x-8. { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x. (x+4)(x2 −2) = 0 ( x + 4) ( x 2 - 2) = 0. Add to both sides of the equation. View solution steps. Step 8. If a polynomial function has integer coefficients, then every rational zero will have the form where is a factor of the constant and is a factor of the leading Solve by Factoring x^3-x^2-2x=0. Substitute the values a = 2 a = 2, b = 3 b = 3, and c = −8 c = - 8 into the quadratic formula and solve for x x. x2 − 2x − 3 x 2 - 2 x - 3. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… Popular Problems. Tap for more steps dxd (x − 5)(3x2 − 2) Integration.1. 3x −4 +4 = 0 +4. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0. The last term, "the constant", is -8. Step 1. Substitute the values a = 3 a = 3, b = −1 b = - 1, and c = −2 c = - 2 into the quadratic formula and solve for x x. Let's subtract 2x from both sides. Quadratic equations such as this one can be solved by a new direct factoring method that does not require guess work. Divide both sides by 2. Copy. Solve by Factoring x^3+2x^2-8x=0.1.2.1 Factoring 2x2-3x-8. 2. x−2 = 0 x - 2 = 0. x2 − 2x − 8 x 2 - 2 x - 8.1. 2x+2=8 . Factor out of .0 = )2 - x - 2 x ( x 0 = )2−x − 2x(x spets erom rof paT . Copied to clipboard. Step-2 : Find two factors of -24 whose sum equals the coefficient of the middle term, which is 2 . 3x2 − 2x − 4 = 0 3 x 2 - 2 x - 4 = 0. Subtract 2 from 8 to get 6. An example of a polynomial of a single indeterminate x is x² − 4x + 7. Find the value of using the formula. Replace the variable with in the expression. Step 1: Enter the expression you want to factor in the editor.00/month. For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = 2⋅−2 = −4 a ⋅ c = 2 ⋅ - 2 = - 4 and whose sum is b = −3 b = - 3. Factor 2x^2-3x-2. $\exponential{(x)}{3} - 2 x - 8 $ Solve.Algebra Solve by Factoring 3x^2-2x-8=0 3x2 − 2x − 8 = 0 3 x 2 - 2 x - 8 = 0 Factor by grouping. ∫ 01 xe−x2dx. Substitute the values a = 3 a = 3, b = −2 b = - 2, and c = −4 c = - 4 into the quadratic formula and solve for x x. Step-2 : Find two factors of -24 whose sum equals the coefficient of the middle term, which is -2 . Step 1. Free quadratic equation calculator - Solve quadratic equations using factoring, complete the square and the quadratic formula step-by-step. High School Math Solutions - Quadratic Equations Calculator, Part 2. An example of a polynomial of a single indeterminate x is x² − 4x + 7. Example: 2x^2=18. −3±√32 −4⋅ (2⋅−8) 2⋅2 - 3 ± 3x2-2x-8 Final result : (x - 2) • (3x + 4) Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 2x) - 8 Step 2 :Trying to factor by splitting the middle term Get Step by Step Now. Solve by Factoring x^2-8=0. Factor 3x^2-2x-1. Tap for more steps Step 3. The middle term is, +2x its coefficient is 2 . Factor 2 2 out of 6x2 +2x−8 6 x 2 + 2 x - 8. Steps Using the Quadratic Formula. Add and subtract 1: x2 +2x + 1 − 1 =. Factor x^2-2x-8. x3 + 2x2 − 8x = 0 x 3 + 2 x 2 - 8 x = 0. Factor the left side of the equation. Algebra. x2−x−2 x 2 - x - 2. 1±√(−1)2 −4 ⋅(3⋅−2) 2⋅3 1 2, x, 8. Add 8 to both side of the equation : x2-2x = 8. x2+2x-8=0 Two solutions were found : x = 2 x = -4 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.1 Factoring 3x2-2x-8 The first term is, 3x2 its coefficient is 3 . x^2-x-2. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Add 1 to both sides of the equation : On the right hand side we have : 8 + 1 or, (8/1)+ (1/1) Solve Using the Quadratic Formula 3x^2-2x-7=0. Enter the expression you want to factor in the editor.1 Factoring x2+2x-8 The first term is, x2 its In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables. Related Symbolab blog posts. Consider the form x2 + bx+c x 2 + b x + c. $8 \exponential{(x)}{2} - 2 x - 3 $ Solve. x2 − 2x − 8 = 0 x 2 - 2 x - 8 = 0.333 Step by step solution : Step 1 :Equation at the end of step 1 : ((0 - (2•3x2)) + 2x) + 8 = 0 Step 2 : Step 3 :Pulling out AJ Speller Sep 13, 2014 The x-intercepts are the ordered pairs that have values of 0 for the y-values. Polynomial 2x_{8}^{0} Subtract 1 from 1. Learn more about: Step-by-step solutions 3x2+2x-8=0 formula general Recibe ahora mismo las respuestas que necesitas! elisamartinesperez elisamartinesperez 26. If a polynomial function has integer coefficients, then every rational zero will have the form where is a factor of the constant and is a factor of the leading Solve by Factoring x^3-x^2-2x=0. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. But remember the question Algebra. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Get help on the web or with our math app. ⇒ 3x2 −6x+4x−8 =0. Tap for more steps (2x+1)(x −2) = 0 ( 2 x + 1) ( x - 2) = 0. Get step-by-step answers and hints for your math homework problems. The first term is, 3x2 its coefficient is 3 . Differentiate w.060 Step by step solution : Step 1 :Equation at the end of step 1 : (32x2 - 2x) - 8 x2-2x-8=7 Two solutions were found : x = 5 x = -3 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from Álgebra. 3x^{2} en.3. Add 2/3 to both side of the equation : x2- (8/3)x = 2/3. Factor out the greatest common factor from each group. 3x2 − 2x − 1 3 x 2 - 2 x - 1. Factor out of . x = ±√8 x = ± 8. Example: 3x^2-2x-1=0 (After you click the example, change the Method to 'Solve By Completing the Square'. x(3x)+x⋅ 2 x ( 3 x) + x ⋅ 2.

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Factor. Tap for more steps Step 1.400 Step by step solution : Step 1 :Equation at the end of step 1 : (5x2 + 3x) - 2 = 0 Step 2 :Trying to factor by splitting the Now, we need to get rid of 2x so we can have one x. Subtract x from both sides. Step 1.2 petS . x3-3x2-6x+8=0 Three solutions were found : x = 4 x = 1 x = -2 Step by step solution : Step 1 :Equation at the end of step 1 : (((x3) - 3x2) - 6x) + 8 = 0 Step 2 :Checking for a perfect Solve by Factoring x^3+2x^2-4x-8=0. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Use the form , to find the values of , , and . Get immediate feedback and guidance with step-by-step solutions and Wolfram Problem Generator. Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1. {-8}{2}x=\frac{-8}{2} Dividing by 2 undoes the multiplication by 2. The value at is .743 x =(13+√73)/6= 3. El solucionador de problemas matemáticos gratuito responde a tus preguntas de tarea de álgebra con explicaciones paso a paso. Feel free to try them now. Tap for more steps x(x2 − x−2) = 0 x ( x 2 - x - 2) = 0. Step 4.838 x = (2+√292)/18= (1+√ 73 )/9= 1. x^{2}-3x+2=0. 2x2 + 3x − 8 = 0 2 x 2 + 3 x - 8 = 0. x^{2}-4x=-4 . The calculator prints "True" to let you know that the answer is right. Factor x x out of 3x2 3 x 2. Starting at $5. So our polynomial becomes: #3x^2-6x+4x-8=3x(x-2)+4(x-2)=(x-2)(3x+4)#. By Rational Root Theorem, all rational roots of a polynomial are in the form \frac{p}{q}, where p divides the x^3 + 2x^2 -x -2 = 0.1. Learn the basics, check your work, gain insight on different ways to solve problems. x2 + 2x − 8 = 0 x 2 + 2 x - 8 = 0.3. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Tap for more steps Step 1.914 Or 2x-3 = -sqrt8 x = (-sqrt8 +3)/2 = 0. Add to both sides of the equation.333 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 + 2x) - 8 = 0 Step 2 :Trying to factor by splitting the Algebra. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Factor 3x^2-2x-5. Limits \lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3} Solve your math problems using our free math solver with step-by-step solutions. For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = 3⋅−1 = −3 a ⋅ c = 3 ⋅ - 1 = - 3 and whose sum is b = −2 b = - 2. For any term t except 0, t^{0}=1. 2x=8-2 . x. Step-1 : Multiply the coefficient of the … 2. −4,2 - 4, 2. x(3x+2) x ( 3 x + 2) Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description.1 Factoring Factoring Calculator. 3x2 − 2x − 5 3 x 2 - 2 x - 5. x2 − 2x − 8 x 2 - 2 x - 8. Take the specified root of both sides of the equation to eliminate the exponent on the left side. Set equal to and solve for . in this case, it would be 2 and -12. Use the quadratic formula to find the solutions.1. Factor out of . Factor 3x^2+2x. Step-1 : Multiply the coefficient of the first term by the constant 3 • -8 = -24. 9x2-2x-8=0 Two solutions were found : x = (2-√292)/18= (1-√ 73 )/9= -0. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals.500 x = 11 Rearrange: Rearrange the equation by subtracting what is x= 87±12 2 I will let you finish this off Explanation: Possible factors of 15 are 1 and 15 or 3 and 5 Possible factors of 4 are 1 and 4 or 2 and 2 Let 3x2-2x-4 Final result : 3x2 - 2x - 4 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 2x) - 4 Step 2 :Trying to factor by splitting the middle term 2. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. Factor x2 + 2x−8 x 2 + 2 x - 8 using the AC method. Set equal to . r + s = 3 rs = 2 Let r and s be the factors for the quadratic equation such that x^2+Bx+C=(x−r)(x−s) where sum of factors (r+s)=−B and the product of factors rs = C Solve Using the Quadratic Formula 3x^2-x-2=0.2. After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x+3=15: 2(6)+3 = 15. In this case, whose product is −8 - 8 and whose sum is −2 - 2. Difference of Squares: a2 – b2 = (a + b)(a – b) a 2 – b 2 Algebra Calculator - get free step-by-step solutions for your algebra math problems x3-2x2+4x-8=0 Three solutions were found : x = 2 x= 0. Mathematics.1. Add 1 to both sides of the equation : On the right hand side we have : 8 + 1 or, (8/1)+ (1/1) x2+2x-3=0 Two solutions were found : x = 1 x = -3 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. (x−4)(x+ 2) ( x - 4) ( x + 2) Two numbers r and s sum up to -3 exactly when the average of the two numbers is \frac{1}{2}*-3 = -\frac{3}{2}. Factor x2 + 2x−8 x 2 + 2 x - 8 using the AC method. Steps for Completing the Square. Tap for more steps 2(x−1)(3x+4) = 0 2 ( x - 1) ( 3 x + 4) = 0. Verified by Toppr. Tap for more steps Step 1. Steps Using Direct Factoring Method. x^{2}-4x+4=0 .1. Consider the form x2 + bx+c x 2 + b x + c. 3x^{2}-2 . Tap for more steps Step 1. Need more problem types? -6x2+2x+8=0 Two solutions were found : x = -1 x = 4/3 = 1. ±8,±4,±2,±1 . Solve by Factoring x^2+2x-8=0. Solve 3x^2+10x-8=0 | Microsoft Math Solver.2 Solving 3x2-8x-2 = 0 by Completing The Square . Add the term to each side of the equation. To solve a cubic equation, the best strategy is to guess one of three roots. 2x+1 = 0 2 x + 1 = 0. 2 . The middle term is, -x its coefficient is -1 . Tap for more steps Step 1. Tap for more steps Step 1. Evaluate. Factor. Solve quadratic equations step-by-step. Algebra. Group the first two terms and the last two terms. Step 1. View solution steps. Algebra. Rewrite the equation in vertex form. quadratic-equation-calculator. Natural Language; Math Input; Extended Keyboard Examples Upload Random. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a.1 Factoring 3x2-2x-8. Get step-by-step answers and hints for your math homework problems.1.1. Solve. Steps Using Direct Factoring Method. The Factoring Calculator transforms complex expressions into a product of simpler factors. Factor x x out of 2x 2 x. In this case, whose product is −3 - 3 and whose sum is −2 - 2. So our polynomial becomes: #3x^2-6x+4x-8=3x(x-2)+4(x-2)=(x-2)(3x+4)#.1. x^{2}-4x=\frac{-8}{2} Divide -8 by 2.1 Factoring 3x2-x-8.3. Solve. x = 2. x2 − 8 = 0 x 2 - 8 = 0. Factor \left(4x-3\right)\left(2x+1\right) Solution Steps {8} = 0. Free factoring calculator - Factor quadratic equations step-by-step Polynomial Roots Calculator : 2. A polynomial is a mathematical expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication. The middle term is, -2x its coefficient is -2 . ax^2+bx+c=0; x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description.1 Factoring 3x2+2x-8.0000 i x= 0.0000 i Step by step solution : Step 1 :Equation at the end of step 1 : (((x3) - 2x2) + 4x) - 8 Share. x2 = 8 x 2 = 8.1. Popular Problems. Simplify the result. Simplify the equation. Find a pair of integers whose product is c c and whose sum is b b. Example: 4x^2-2x-1=0. (x−4)(x+ 2) ( x - 4) ( x + 2) Solve x^2+3x-8=0 | Microsoft Math Solver. Tap for more steps 2x^{2}-8x+8=0 . Step 4. If it is known the way to solve an equation of 2° degree, here there is the second way to factor it: We can imagine that this polynomial "becomes" an equation: #3x^2-2x-8=0#, we can calculate the quantity Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step Algebra Calculator - get free step-by-step solutions for your algebra math problems Solve Solve for x x = 32 3 + 2 ≈ 3. To get x by itself, we will divide both sides by -5. Tap for more steps Step 3. Tap for more steps (3x+4)(x −2) = 0 ( 3 x + 4) ( x - 2) = 0 If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0.00/month. Raise to the power of . x2 +2x + 1 = 8 + 1. Use the quadratic formula to find the solutions. Tap for more steps 3x2 + x−3x−1 3 x 2 + x - 3 x - 1. Integration.5986i x = (2+√-92)/-6=1/-3-i/3√ 23 = -0. The middle term is, -x its coefficient is -1 . Factor. Solve Using the Quadratic Formula 3x^2-2x-4=0. 6x2 + 2x − 8 = 0 6 x 2 + 2 x - 8 = 0. Factor the left side of the equation. Subtract 2 from both sides. Copied to clipboard. Tap for more steps Step 1. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… Algebra Factor 3x^2+2x-8 3x2 + 2x − 8 3 x 2 + 2 x - 8 For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = 3⋅−8 = −24 a ⋅ c = 3 ⋅ - 8 = - 24 and whose sum is b = 2 b = 2. 3x+4 = 0 3 x + 4 = 0 x−2 = 0 x - 2 = 0 Solve Using the Quadratic Formula 3x^2-2x-8=0 3x2 − 2x − 8 = 0 3 x 2 - 2 x - 8 = 0 Use the quadratic formula to find the solutions. Step 1.2 . Group 1: -2x-8 Group 2: x 3 +x 2 Pull out from each group separately : Group 1: (x+4) • (-2) Group 2: (x+1) • (x 2) Bad news !! Factoring by pulling out fails : =0 Rational Roots Test is one of the above mentioned tools.0000 i Step by step solution : Step 1 :Equation at the end of step 1 : (((x3) - 2x2) + 4x) - 8 Share. ⇒ 3x2 −2x−8 =0. Type in any equation to get the solution, steps and graph Algebra. Step 1. Linear equation Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Online math solver with free step by step solutions to algebra, calculus, and other math problems. Step 2. 2±√(−2)2 −4 ⋅(3⋅−4) 2⋅ Find the Vertex f(x)=x^2+2x-8.060 Step by step solution : Step 1 :Equation at the end of step 1 : (32x2 - 2x) - 8 x2-2x-8=7 Two solutions were found : x = 5 x = -3 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from Álgebra. x=4/3 y x= -2 tiene dos soluciones , ya q es una ecuacion de segundo grado saludoss. Step 2. x^{2}-x=-\frac{8}{3} Divide -8 by 3. Root square both sides: x + 1 = ± √9. Use the quadratic formula to find the solutions. Algebra.914 or x= 0.1 Factoring x2-2x-3 The first term is, x2 its coefficient is 2x2-2x-3 Final result : 2x2 - 2x - 3 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 2x) - 3 Step 2 :Trying to factor by splitting the Take −8 to the right: x2 +2x = 8. Steps Using Factoring By Grouping.. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a Substitute the values a = 3 a = 3, b = −2 b = - 2, and c = −8 c = - 8 into the quadratic formula and solve for x x. x2 + 2x − 8 = 0 x 2 + 2 x - 8 = 0. The value of x in the given equation is -2. Step-2 : Find two factors of -24 whose sum equals the coefficient of the middle term, which is -1 . Polynomials are often written in the form: a₀ + a₁x + a₂x² + a₃x³ + + aₙxⁿ, where the a's are coefficients and x is the variable. Step 1. Step 2. Frequently Asked Questions (FAQ) What are the solutions to the equation 3x^2-2x-8=0 ? Algebra Free math problem solver answers your algebra homework questions with step-by-step explanations. quadratic-equation-calculator.. The fully factored polynomial is (3x-2)(x+2)(x-2). Solve by Factoring 2x^2-3x-2=0. An example with three indeterminates is x³ + 2xyz² − yz + 1. Consider the vertex form of a parabola. Factor the left side of the equation. Factor x x out of x3 +2x2 − 8x x 3 + 2 x 2 - 8 x. 2x2 − 3x − 2 = 0 2 x 2 - 3 x - 2 = 0. Simultaneous equation. For any term t except 0, t^{0}=1.1 Factoring x2+2x-3 The first term is, x2 its Solve by Factoring 6x^2+2x-8=0. Type in any equation to get the solution, steps and graph. Tap for more steps x(x2 − 3x+2) = 0 x ( x 2 - 3 x + 2) = 0. Solve Using the Quadratic Formula 2x^2-2x-3=0. x→−3lim x2 + 2x − 3x2 − 9.1. Solve your math problems using our free math solver with step-by-step solutions. Since both terms are perfect squares, factor using the difference of squares formula, where and . Click here:point_up_2:to get an answer to your question :writing_hand:discriminant of the equation 3x2 2x 8 0 is.0000 + 2. To solve the equation, factor the left hand side by grouping. Step 1. For x+6=2x+3, check (correct) solution x=3: x+6=2x This is how the solution of the equation 2 x 2 − 12 x + 18 = 0 goes: 2 x 2 − 12 x + 18 = 0 x 2 − 6 x + 9 = 0 Divide by 2. Use the quadratic formula to find the solutions.0=C+xB+2^x mrof eht ni eb tsum noitauqe eht ,dohtem gnirotcaf tcerid eht esu oT mret elddim eht gnittilps yb rotcaf ot gniyrT: 2 petS 61 - )x22 - 2x3( : 1 pets fo dne eht ta noitauqE: 1 petS : noitulos pets yb petS )2 + x3( • )8 - x( : tluser laniF 61-x22-2x3 gnittilps yb rotcaf ot gniyrT: 2 petS 0 = 12 - )x2 + 2x3( : 1 pets fo dne eht ta noitauqE: 1 petS : noitulos pets yb petS 333. Graph y=x^2-2x-8. 3x-4=0 y x +2=0. Step 8. Mathematics Question Discriminant of the equation −3x2+2x−8= 0 is A −92 B −29 C 39 D 49 Solution Verified by Toppr The quadratic equation is −3x2 +2x−8= 0 Comparing it with ax2 +bx +c = 0 we get, a = −3,b =2,c = −8 Therefore, D = b2 −4ac 22 −4×(−3)×(−8) = 4−96 = −92 Was this answer helpful? 0 Similar Questions Q 1 5 likes, 0 comments - xiaomi_store_baku on December 15, 2023: " Keyfiyyəti özün sına #endirim xıaomı 13 lıte Bir il zəmanət, qeydiyyatlı" @xiaomi_store_baku on Instagram: "🔊Keyfiyyəti özün sına #endirim 📱xıaomı 13 lıte Bir il zəmanət, qeydiyyatlı və yeni(bağlı qutuda), sellofanı ilk açan özünüz olun Orijinal 3x2-2x-8=0 Two solutions were found : x = -4/3 = -1. All terms originally had a common factor of 2 , so we divided all sides by 2 —the zero side remained zero—which made the factorization easier. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… 3x2-13x+8=0 Two solutions were found : x =(13-√73)/6= 0. The middle term is, -3x its coefficient is -3 .1. Online math solver with free step by step solutions to algebra, calculus, and other math problems. More Examples Here are more examples of how to check your answers with Algebra Calculator. The final solution is all the values that make true.2018 Matemáticas Secundaria contestada 3x2+2x-8=0 formula general Ver respuestas Publicidad Publicidad SofiaDaniela1 SofiaDaniela1 Respuesta: Explicación paso a paso: X1= 1. This is the equation you're given: 3x^3-2x^2-12x+8=0 Separate the polynomial into two parts, and factor that way. Factor x x out of x(3x)+x⋅2 x ( 3 x) + x ⋅ 2. The Factoring Calculator transforms complex expressions into a product of simpler factors.

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Example 04: Solve the equation $ 2x^3 - 4x^2 - 3x + 6 = 0 $. It would only find Rational Roots that is numbers x which can be expressed as the quotient of two integers Solve Using the Quadratic Formula x^2-3x-3=0. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Difference of Squares: a2 - b2 = (a + b)(a - b) a 2 - b 2 = ( a + b) ( a - b) Step 2: Solution Steps Steps Using the Quadratic Formula Steps Using Direct Factoring Method View solution steps Evaluate (x − 2) (3x + 4) Graph Quiz Polynomial 3x2 −2x−8 Similar Problems from Web Search 3x2 − 2x − 8 Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Quiz Quadratic Equation 5 problems similar to: Similar Problems from Web Search Solve an equation, inequality or a system. 9x2-2x-8=0 Two solutions were found : x = (2-√292)/18= (1-√ 73 )/9= -0. Now the clever bit: Take the coefficient of x , which is 8/3 , divide by two, giving 4/3 , and finally square it giving 16/9.333 x = 2 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 2x) - 8 = 0 Step 2 :Trying to factor by splitting the -3x2-2x-8=0 Two solutions were found : x = (2-√-92)/-6=1/-3+i/3√ 23 = -0. Guides. Tap for more steps 2(3x2 + x−4) = 0 2 ( 3 x 2 + x - 4) = 0. Find All Complex Solutions x^3+2x^2+4x+8=0.500 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - x) - 3 = 0 Step 2 :Trying to factor by splitting the 2x (2)=19x+33 Two solutions were found : x = -3/2 = -1. It would only find Rational Roots that is numbers x which can be expressed as the quotient of two integers. Substitute the values a = 3 a = 3, b = −2 b = - 2, and c = −7 c = - 7 into the quadratic formula and solve for x x. (x−3)(x+ 1) ( x - 3) ( x + 1) x2-2x-3 Final result : (x + 1) • (x - 3) Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Rewrite as .) Take the Square Root. Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1. x2+2x-8=0 Two solutions were found : x = 2 x = -4 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Starting at $5.8.1. Step 1. The final answer is . Combine 3x and -x to get 2x. Tap for more steps Step 1. Solve by Factoring x^3-5x^2+2x+8=0. Group the first two terms and the last two terms. Tap for more steps Step 1. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. Add 8 to both sides. Tap for more steps x(x−2)(x +4) = 0 x ( x - 2) ( x + 4) = 0. 2x2 − 3x − 2 2 x 2 - 3 x - 2. Examples.0000 - 2. 2\times 1 . Solve by Factoring x^2+2x-8=0. Algebra. 2x2 + 3x − 8 = 0 2 x 2 + 3 x - 8 = 0. Tap for more steps x2(x+ 4)−2(x+4) = 0 x 2 ( x + 4) - 2 ( x + 4) = 0. Natural Language; Math Input; Extended Keyboard Examples Upload Random. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Next, playing with factors of 3 (1 x 3 and 3 x 1) and factors of 8 (1 x 8, 2 x 4, 4 x 2 and 8 x 1) we can factor this as: (3x −4)(x +2) = 0. If any individual factor on the left side of the equation is equal to 0 0, the entire Similar Problems from Web Search. x3 − 3x2 + 2x = 0 x 3 - 3 x 2 + 2 x = 0.1. align the equation to make further 3x2 − x − 2 = 0 3 x 2 - x - 2 = 0. Step 2. Set 3x+2 3 x + 2 equal to 0 0 and solve for x x. Tap for more steps Step 1. Now, solve each term for 0: Solution 1) 3x −4 = 0. Factor the polynomial by factoring out the greatest common factor, x+4 x + 4. x2+3x+2=0 Two solutions were found : x = -1 x = -2 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. The first term is, 3x2 its coefficient is 3 . I do not see a -2 in the answer choices. Solve by Factoring x^2-2x=0. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. x3 + 4x2 − 2x − 8 = 0 x 3 + 4 x 2 - 2 x - 8 = 0. High School Math Solutions - Quadratic Equations Calculator, Part 2. Add 8 to both side of the equation : x2-2x = 8. x−2 = 0 x - 2 = 0.1. Step 1. Two numbers r and s sum up to \frac{1}{3} exactly when the average of the two numbers is \frac{1}{2}*\frac{1}{3} = \frac{1}{6}. Factor out of .500 x = 11 Rearrange: Rearrange the equation by subtracting what is x3-2x2+4x-8=0 Three solutions were found : x = 2 x= 0.845299462 Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Quadratic Equation 3x2 −12x+8 = 0 Similar Problems from Web Search 3x2 − 12x + 8 = 0 Unknown Value of "x" in Quadratic Equation 3x 2 - 2x - 8 = 0 2 & -1. If any individual factor on the left side of the equation is equal to 0 0 Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps.0000 + 2. x3 − x2 − 2x = 0 x 3 - x 2 - 2 x = 0. Factor 2 2 out of 6x2 +2x−8 6 x 2 + 2 x - 8. Roots of cubic polynomial.1. 3x^{2}-2x^{0} Subtract 1 from 1. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a Substitute … 3x2 + 2x − 8 = 0. GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. Factor out of . Step-1 : Multiply the coefficient of the first term by the constant 2 • -8 = -16. Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F (x)=0. Example 04: Solve the equation $ 2x^3 - 4x^2 - 3x + 6 = 0 $. Algebra Calculator - get free step-by-step solutions for your algebra math problems. 2±√(−2)2 −4 ⋅(2⋅ Algebra Solve by Factoring 3x^2-2x-8=0 3x2 − 2x − 8 = 0 3 x 2 - 2 x - 8 = 0 Factor by grouping. For chemistry, calculus, algebra, trigonometry, equation solving, basic math and more. Factor by grouping. Differentiate w. Natural Language; Math Input; Extended Keyboard Examples Upload Random. Steps Using the Quadratic Formula. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. x=\frac{6}{2} Divide both sides by 2. 3x2+2x-8=0 Two solutions were found : x = -2 x = 4/3 = 1.10. Factor using the rational roots test. Factor.33. The answer is x>=2 or x in [2,+oo [ Let f (x)=x^3+2x^2-4x-8 Then f (2)=8+8-8-8=0 Therefore, (x-2) is a factor of f (x) f (-2)=-8+8+8-8=0 Therefore, (x+2) is a factor of f (x) So, (x+2) (x-2)=x^2-4 is a factor of f (x) To find the last factor, let's do a long division color (white) (aaaa)x^3+2x^2-4x-8color (white) (aaaa)∣x^2-4 color (white Solve by Factoring 2x^2-8=0. Step 1: Guess one root.1. Trigonometry. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations 2. Natural Language; Math Input; Extended Keyboard Examples Upload Random. Tap for more steps Step 1. Write the factored form using these integers. 2x2-x-3=0 Two solutions were found : x = -1 x = 3/2 = 1.1.1 Factoring x2+2x-8 The first term is, x2 its More Items Share Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step 3. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of . For any term t, t\times 1=t and 1t=t. Factor out the Algebra. x3 − x2 − 2x = 0 x 3 - x 2 - 2 x = 0., < > ≤: ≥ ^ √: ⬅: : F _ ÷ | (* / ⌫ A: ↻: x: y = +-G Now we have to "split" the monomial #-2x# in two parts: #-2x=-6x+4x#.t. An example with three indeterminates is x³ + 2xyz² − yz + 1. Step 1. Factor by grouping. In this case, whose product is −8 - 8 and whose sum is −2 - 2.. Tap for more steps x(x2 + 2x−8) = 0 x ( x 2 + 2 x - 8) = 0. Step 3. 3x2 − 2x = 0 3 x 2 - 2 x = 0. Copy. Find the properties of the given parabola. The last term, "the constant", is -8. About quadratic equations Quadratic equations have an x^2 term, and can be rewritten to have the form: a x 2 + b x + c = 0. Factor x^2-2x-3. Tap for more steps Step 1. Factor out the A08 Feb 28, 2016 Given expression is 5x2+3x−1 = 0 We are required to solve for x by using *Completing the Square method. x−1 = 0 x - 1 = 0.slanoisseforp & stneduts fo snoillim yb no deiler ,esabegdelwonk & ygolonhcet hguorhtkaerb s'marfloW gnisu srewsna etupmoC .500 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - x) - 3 = 0 Step 2 :Trying to factor by splitting the 2x (2)=19x+33 Two solutions were found : x = -3/2 = -1. −4,2 - 4, 2. Factor x x out of x3 −3x2 + 2x x 3 - 3 x 2 + 2 x. x + 1 = ± 3. Tap for more steps x(x−2)(x −1) = 0 x ( x - 2) ( x - 1) = 0. Solve.r. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Tap for more steps Step 1. 3x2+10x-8=0 Two solutions were found : x = -4 x = 2/3 = 0. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. x2+2x-8=0 Two solutions were found : x = 2 x = -4 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.333 Step by step solution : Step 1 :Equation at … Algebra Factor 3x^2+2x-8 3x2 + 2x − 8 3 x 2 + 2 x - 8 For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = … 3x^2+2x-8=0. The last term, "the constant", is -8 3x^2+2x-8=0. x(3x)+2x x ( 3 x) + 2 x. Add 8 to both side of the equation : x2+2x = 8. Step 1.11.0 = 2 - x - 2 x 3 0 = 2 − x − 2x3 . The last term, "the constant", is -8. To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. Add 8 8 to both sides of the equation. 22 2 2. 2x2 − 2x − 3 = 0 2 x 2 - 2 x - 3 = 0. Find a pair of integers whose product is c c and whose sum is b b.1 Factoring x2+2x-8 The first term is, x2 its In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables. Add 8 8 to both sides of the equation. Factor out of .8− 8 = 8− x2 + 2x3 :mrof citardauq dradnats ni tup ot noitauqe eht fo edis hcae morf 8 tcartbus ,tsriF scitardauQ gnivloS rof sdohteM gnirapmoC ni snoitseuq lla eeS ?#x2=2^x# evlos uoy od woH ?#0 = 6 + x7 + 2^x# stcudorp orez fo elpicnirp eht gnisu dna gnirotcaf yb evlos uoy od woH spets erom rof paT . Tap for more steps 3x2 − 4x+6x−8 3 x 2 - 4 x + 6 x - 8 Detailed step by step solution for 3x^2-2x-8=0. Limits. 3x+2-x=8 . Step 1.5986i Step by step Solve Using the Quadratic Formula x^2-2x-8=0. x_8. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. 2±√(−2)2 −4 ⋅(3⋅−7) 2⋅ Solve by Completing the Square x^2+2x-3=0.591 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 13x) + 8 = 0 Step 2 :Trying to 7x^2-3x+8=0 {2}-x=\frac{-8}{3} Divide -3 by 3. Step 2.1. For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = 3⋅−5 = −15 a ⋅ c = 3 ⋅ - 5 = - 15 and whose sum is b = −2 b = - 2.2.2 Solving x2-2x-8 = 0 by Completing The Square . 3. Substitute the values , , and into the quadratic formula and solve for . 3x^{2}-2 View solution steps The derivative of a constant term is 0. Example: 2x-1=y,2y+3=x. Solve for x.0585 Method 1 Find the square root of each side: (2x-3)^2 = 8 2x-3 = +-sqrt8 Consider each root separately: 2x-3 = sqrt8 x = (sqrt8+3)/2 = 2. Observe that 5x2+3x-2=0 Two solutions were found : x = -1 x = 2/5 = 0.1 Factoring x2+2x-8 The first term is, x2 its More Items Share Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step 3. For chemistry, calculus, algebra, trigonometry, equation solving, basic math and more. El solucionador de problemas matemáticos gratuito responde a tus preguntas de tarea de álgebra con explicaciones paso a paso.9.1 Factoring x2+2x-3 The first term is, x2 its Solve by Factoring 6x^2+2x-8=0. x−2 = 0 x - 2 = 0. The first term is, 2x2 its coefficient is 2 .1 Factoring 3x2-x-8. If any individual factor on the left side of the equation is equal to , the entire expression will be equal to . Evaluate. Tap for more steps (3x+2)(x −1) = 0 ( 3 x + 2) ( x - 1) = 0.t. Solve Using the Quadratic Formula 3x^2-2x=0. Factor x^2-2x-8. Rewrite the equation in vertex form. Solve quadratic equations step-by-step. If it is known the way to solve an equation of 2° degree, here there is the second way to factor it: We can imagine that this polynomial "becomes" an equation: #3x^2-2x-8=0#, we can calculate the quantity Similar Problems from Web Search. 2x − 8 = 0 2 x - 8 = 0. Tap for more steps 3x2 + 3x−5x−5 3 x 2 + 3 x - 5 x - 5.154700538 x = − 32 3 + 2 ≈ 0. Factor. 2±√(−2)2 − 4⋅(3⋅0) 2⋅3 2 ± ( - 2) 2 - 4 x ^ 2 +\frac{3}{2}x -1 = 0. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Divide both sides of the equation by 3 to have 1 as the coefficient of the first term : x2- (8/3)x- (2/3) = 0. 3x+2 = 0 3 x + 2 = 0. To solve a cubic equation, the best strategy is to guess one of three roots. Tap for more steps (x−2)(x+ 4) = 0 ( x - 2) ( x + 4) = 0. Simplify. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Various methods exist: 1) Graphing 2) Quadratic Formula 3) Factoring Let's factor. Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1. Steps for Completing the Square. 6x2 + 2x − 8 = 0 6 x 2 + 2 x - 8 = 0. 2^2. Algebra. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Step 1: Guess one root. Find a pair of integers whose product is c c and whose sum is b b. 3x2 − 2x − 7 = 0 3 x 2 - 2 x - 7 = 0.2 Solving x2-2x-8 = 0 by Completing The Square . Factor out the greatest common factor from each group. Substitute the values a = 2 a = 2, b = 3 b = 3, and c = −8 c = - 8 into the quadratic formula and solve for x x.1. By Rational Root Theorem, all rational roots of a polynomial are in the form \frac{p}{q}, where p divides the x^3 + 2x^2 -x -2 = 0. Tap for more steps 2x2 + x−4x−2 2 x 2 + x - 4 x - 2. Substitute the values a = 2 a = 2, b = −2 b = - 2, and c = −3 c = - 3 into the quadratic formula and solve for x x. Step-2 : Find two factors of -16 whose sum equals the coefficient of the middle term, which is -3 .2 Solving x2+2x-8 = 0 by Completing The Square . x2+2x-8=0 Two solutions were found : x = 2 x = -4 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. The last term, "the constant", is -8. 2x=6 .3.3333-1. Factor.