-4x(-4x)-3.1-5.2=

Solution for -4x(-4x)-3.1-5.2= equation:

Simplifying
-4x(-4x) + -3.1 + -5.2 = 0

Remove parenthesis around (-4x)
-4x * -4x + -3.1 + -5.2 = 0

Reorder the terms for easier multiplication:
-4 * -4x * x + -3.1 + -5.2 = 0

Multiply -4 * -4
16x * x + -3.1 + -5.2 = 0

Multiply x * x
16x2 + -3.1 + -5.2 = 0

Reorder the terms:
-3.1 + -5.2 + 16x2 = 0

Combine like terms: -3.1 + -5.2 = -8.3
-8.3 + 16x2 = 0

Solving
-8.3 + 16x2 = 0

Solving for variable 'x'.

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

Add '8.3' to each side of the equation.
-8.3 + 8.3 + 16x2 = 0 + 8.3

Combine like terms: -8.3 + 8.3 = 0.0
0.0 + 16x2 = 0 + 8.3
16x2 = 0 + 8.3

Combine like terms: 0 + 8.3 = 8.3
16x2 = 8.3

Divide each side by '16'.
x2 = 0.51875

Simplifying
x2 = 0.51875

Take the square root of each side:
x = {-0.720243015, 0.720243015}