x^2+11x-39=2x-3

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Solution for x^2+11x-39=2x-3 equation:


Simplifying
x2 + 11x + -39 = 2x + -3

Reorder the terms:
-39 + 11x + x2 = 2x + -3

Reorder the terms:
-39 + 11x + x2 = -3 + 2x

Solving
-39 + 11x + x2 = -3 + 2x

Solving for variable 'x'.

Reorder the terms:
-39 + 3 + 11x + -2x + x2 = -3 + 2x + 3 + -2x

Combine like terms: -39 + 3 = -36
-36 + 11x + -2x + x2 = -3 + 2x + 3 + -2x

Combine like terms: 11x + -2x = 9x
-36 + 9x + x2 = -3 + 2x + 3 + -2x

Reorder the terms:
-36 + 9x + x2 = -3 + 3 + 2x + -2x

Combine like terms: -3 + 3 = 0
-36 + 9x + x2 = 0 + 2x + -2x
-36 + 9x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-36 + 9x + x2 = 0

Factor a trinomial.
(-12 + -1x)(3 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-12, 3}

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