x^2+12x=8x+12

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Solution for x^2+12x=8x+12 equation:


Simplifying
x2 + 12x = 8x + 12

Reorder the terms:
12x + x2 = 8x + 12

Reorder the terms:
12x + x2 = 12 + 8x

Solving
12x + x2 = 12 + 8x

Solving for variable 'x'.

Reorder the terms:
-12 + 12x + -8x + x2 = 12 + 8x + -12 + -8x

Combine like terms: 12x + -8x = 4x
-12 + 4x + x2 = 12 + 8x + -12 + -8x

Reorder the terms:
-12 + 4x + x2 = 12 + -12 + 8x + -8x

Combine like terms: 12 + -12 = 0
-12 + 4x + x2 = 0 + 8x + -8x
-12 + 4x + x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-12 + 4x + x2 = 0

Factor a trinomial.
(-6 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

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

Solution

x = {-6, 2}

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