12=-4x(-6x)-3

Solution for 12=-4x(-6x)-3 equation:

Simplifying
12 = -4x(-6x) + -3

Remove parenthesis around (-6x)
12 = -4x * -6x + -3

Reorder the terms for easier multiplication:
12 = -4 * -6x * x + -3

Multiply -4 * -6
12 = 24x * x + -3

Multiply x * x
12 = 24x2 + -3

Reorder the terms:
12 = -3 + 24x2

Solving
12 = -3 + 24x2

Solving for variable 'x'.

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

Add '-24x2' to each side of the equation.
12 + -24x2 = -3 + 24x2 + -24x2

Combine like terms: 24x2 + -24x2 = 0
12 + -24x2 = -3 + 0
12 + -24x2 = -3

Add '-12' to each side of the equation.
12 + -12 + -24x2 = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -24x2 = -3 + -12
-24x2 = -3 + -12

Combine like terms: -3 + -12 = -15
-24x2 = -15

Divide each side by '-24'.
x2 = 0.625

Simplifying
x2 = 0.625

Take the square root of each side:
x = {-0.790569415, 0.790569415}