6x^2-6x-12=168

Solution for 6x^2-6x-12=168 equation:

Simplifying
6x2 + -6x + -12 = 168

Reorder the terms:
-12 + -6x + 6x2 = 168

Solving
-12 + -6x + 6x2 = 168

Solving for variable 'x'.

Reorder the terms:
-12 + -168 + -6x + 6x2 = 168 + -168

Combine like terms: -12 + -168 = -180
-180 + -6x + 6x2 = 168 + -168

Combine like terms: 168 + -168 = 0
-180 + -6x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(-30 + -1x + x2) = 0

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

Ignore the factor 6.
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}