x^2+4x-18=5x+12

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Solution for x^2+4x-18=5x+12 equation: 


Simplifying
x2 + 4x + -18 = 5x + 12

Reorder the terms:
-18 + 4x + x2 = 5x + 12

Reorder the terms:
-18 + 4x + x2 = 12 + 5x

Solving
-18 + 4x + x2 = 12 + 5x

Solving for variable 'x'.

Reorder the terms:
-18 + -12 + 4x + -5x + x2 = 12 + 5x + -12 + -5x

Combine like terms: -18 + -12 = -30
-30 + 4x + -5x + x2 = 12 + 5x + -12 + -5x

Combine like terms: 4x + -5x = -1x
-30 + -1x + x2 = 12 + 5x + -12 + -5x

Reorder the terms:
-30 + -1x + x2 = 12 + -12 + 5x + -5x

Combine like terms: 12 + -12 = 0
-30 + -1x + x2 = 0 + 5x + -5x
-30 + -1x + x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-30 + -1x + x2 = 0

Factor a trinomial.
(-5 + -1x)(6 + -1x) = 0


Subproblem 1
Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2
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
Solution
x = {-5, 6}

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