x^2-x=2x+108

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Solution for x^2-x=2x+108 equation:


Simplifying
x2 + -1x = 2x + 108

Reorder the terms:
-1x + x2 = 2x + 108

Reorder the terms:
-1x + x2 = 108 + 2x

Solving
-1x + x2 = 108 + 2x

Solving for variable 'x'.

Reorder the terms:
-108 + -1x + -2x + x2 = 108 + 2x + -108 + -2x

Combine like terms: -1x + -2x = -3x
-108 + -3x + x2 = 108 + 2x + -108 + -2x

Reorder the terms:
-108 + -3x + x2 = 108 + -108 + 2x + -2x

Combine like terms: 108 + -108 = 0
-108 + -3x + x2 = 0 + 2x + -2x
-108 + -3x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-108 + -3x + x2 = 0

Factor a trinomial.
(-9 + -1x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {-9, 12}

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