108=3x*4x

Solution for 108=3x*4x equation:

Simplifying
108 = 3x * 4x

Reorder the terms for easier multiplication:
108 = 3 * 4x * x

Multiply 3 * 4
108 = 12x * x

Multiply x * x
108 = 12x2

Solving
108 = 12x2

Solving for variable 'x'.

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

Add '-12x2' to each side of the equation.
108 + -12x2 = 12x2 + -12x2

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

Add '-108' to each side of the equation.
108 + -108 + -12x2 = 0 + -108

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

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

Divide each side by '-12'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}