(4x+8)(4x-8)=

Solution for (4x+8)(4x-8)= equation:

Simplifying
(4x + 8)(4x + -8) = 0

Reorder the terms:
(8 + 4x)(4x + -8) = 0

Reorder the terms:
(8 + 4x)(-8 + 4x) = 0

Multiply (8 + 4x) * (-8 + 4x)
(8(-8 + 4x) + 4x * (-8 + 4x)) = 0
((-8 * 8 + 4x * 8) + 4x * (-8 + 4x)) = 0
((-64 + 32x) + 4x * (-8 + 4x)) = 0
(-64 + 32x + (-8 * 4x + 4x * 4x)) = 0
(-64 + 32x + (-32x + 16x2)) = 0

Combine like terms: 32x + -32x = 0
(-64 + 0 + 16x2) = 0
(-64 + 16x2) = 0

Solving
-64 + 16x2 = 0

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + 16x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 16x2 = 0 + 64
16x2 = 0 + 64

Combine like terms: 0 + 64 = 64
16x2 = 64

Divide each side by '16'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}