(4b+4)(4b-4)=

Solution for (4b+4)(4b-4)= equation:

Simplifying
(4b + 4)(4b + -4) = 0

Reorder the terms:
(4 + 4b)(4b + -4) = 0

Reorder the terms:
(4 + 4b)(-4 + 4b) = 0

Multiply (4 + 4b) * (-4 + 4b)
(4(-4 + 4b) + 4b * (-4 + 4b)) = 0
((-4 * 4 + 4b * 4) + 4b * (-4 + 4b)) = 0
((-16 + 16b) + 4b * (-4 + 4b)) = 0
(-16 + 16b + (-4 * 4b + 4b * 4b)) = 0
(-16 + 16b + (-16b + 16b2)) = 0

Combine like terms: 16b + -16b = 0
(-16 + 0 + 16b2) = 0
(-16 + 16b2) = 0

Solving
-16 + 16b2 = 0

Solving for variable 'b'.

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

Add '16' to each side of the equation.
-16 + 16 + 16b2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 16b2 = 0 + 16
16b2 = 0 + 16

Combine like terms: 0 + 16 = 16
16b2 = 16

Divide each side by '16'.
b2 = 1

Simplifying
b2 = 1

Take the square root of each side:
b = {-1, 1}