2(3x-1)=x^2+7x-8

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Solution for 2(3x-1)=x^2+7x-8 equation:


Simplifying
2(3x + -1) = x2 + 7x + -8

Reorder the terms:
2(-1 + 3x) = x2 + 7x + -8
(-1 * 2 + 3x * 2) = x2 + 7x + -8
(-2 + 6x) = x2 + 7x + -8

Reorder the terms:
-2 + 6x = -8 + 7x + x2

Solving
-2 + 6x = -8 + 7x + x2

Solving for variable 'x'.

Reorder the terms:
-2 + 8 + 6x + -7x + -1x2 = -8 + 7x + x2 + 8 + -7x + -1x2

Combine like terms: -2 + 8 = 6
6 + 6x + -7x + -1x2 = -8 + 7x + x2 + 8 + -7x + -1x2

Combine like terms: 6x + -7x = -1x
6 + -1x + -1x2 = -8 + 7x + x2 + 8 + -7x + -1x2

Reorder the terms:
6 + -1x + -1x2 = -8 + 8 + 7x + -7x + x2 + -1x2

Combine like terms: -8 + 8 = 0
6 + -1x + -1x2 = 0 + 7x + -7x + x2 + -1x2
6 + -1x + -1x2 = 7x + -7x + x2 + -1x2

Combine like terms: 7x + -7x = 0
6 + -1x + -1x2 = 0 + x2 + -1x2
6 + -1x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
6 + -1x + -1x2 = 0

Factor a trinomial.
(2 + -1x)(3 + x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {2, -3}

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