(4s+4)(4s-4)=0

Solution for (4s+4)(4s-4)=0 equation:

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

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

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

Multiply (4 + 4s) * (-4 + 4s)
(4(-4 + 4s) + 4s * (-4 + 4s)) = 0
((-4 * 4 + 4s * 4) + 4s * (-4 + 4s)) = 0
((-16 + 16s) + 4s * (-4 + 4s)) = 0
(-16 + 16s + (-4 * 4s + 4s * 4s)) = 0
(-16 + 16s + (-16s + 16s2)) = 0

Combine like terms: 16s + -16s = 0
(-16 + 0 + 16s2) = 0
(-16 + 16s2) = 0

Solving
-16 + 16s2 = 0

Solving for variable 's'.

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

Add '16' to each side of the equation.
-16 + 16 + 16s2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 16s2 = 0 + 16
16s2 = 0 + 16

Combine like terms: 0 + 16 = 16
16s2 = 16

Divide each side by '16'.
s2 = 1

Simplifying
s2 = 1

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