x(x+12)=108

Solution for x(x+12)=108 equation:

Simplifying
x(x + 12) = 108

Reorder the terms:
x(12 + x) = 108
(12 * x + x * x) = 108
(12x + x2) = 108

Solving
12x + x2 = 108

Solving for variable 'x'.

Reorder the terms:
-108 + 12x + x2 = 108 + -108

Combine like terms: 108 + -108 = 0
-108 + 12x + x2 = 0

Factor a trinomial.
(-18 + -1x)(6 + -1x) = 0

Subproblem 1
Set the factor '(-18 + -1x)' equal to zero and attempt to solve:

Simplifying
-18 + -1x = 0

Solving
-18 + -1x = 0

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

Add '18' to each side of the equation.
-18 + 18 + -1x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -1x = 0 + 18
-1x = 0 + 18

Combine like terms: 0 + 18 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18
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 = {-18, 6}