(x-4)(-x-4)-16=

Solution for (x-4)(-x-4)-16= equation:

Simplifying
(x + -4)(-1x + -4) + -16 = 0

Reorder the terms:
(-4 + x)(-1x + -4) + -16 = 0

Reorder the terms:
(-4 + x)(-4 + -1x) + -16 = 0

Multiply (-4 + x) * (-4 + -1x)
(-4(-4 + -1x) + x(-4 + -1x)) + -16 = 0
((-4 * -4 + -1x * -4) + x(-4 + -1x)) + -16 = 0
((16 + 4x) + x(-4 + -1x)) + -16 = 0
(16 + 4x + (-4 * x + -1x * x)) + -16 = 0
(16 + 4x + (-4x + -1x2)) + -16 = 0

Combine like terms: 4x + -4x = 0
(16 + 0 + -1x2) + -16 = 0
(16 + -1x2) + -16 = 0

Reorder the terms:
16 + -16 + -1x2 = 0

Combine like terms: 16 + -16 = 0
0 + -1x2 = 0
-1x2 = 0

Solving
-1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}