x^2+9x+12=6x+30

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Solution for x^2+9x+12=6x+30 equation: 


Simplifying
x2 + 9x + 12 = 6x + 30

Reorder the terms:
12 + 9x + x2 = 6x + 30

Reorder the terms:
12 + 9x + x2 = 30 + 6x

Solving
12 + 9x + x2 = 30 + 6x

Solving for variable 'x'.

Reorder the terms:
12 + -30 + 9x + -6x + x2 = 30 + 6x + -30 + -6x

Combine like terms: 12 + -30 = -18
-18 + 9x + -6x + x2 = 30 + 6x + -30 + -6x

Combine like terms: 9x + -6x = 3x
-18 + 3x + x2 = 30 + 6x + -30 + -6x

Reorder the terms:
-18 + 3x + x2 = 30 + -30 + 6x + -6x

Combine like terms: 30 + -30 = 0
-18 + 3x + x2 = 0 + 6x + -6x
-18 + 3x + x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
-18 + 3x + x2 = 0

Factor a trinomial.
(-6 + -1x)(3 + -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 '(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 = {-6, 3}

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