(3s+3)(3s-3)=

Solution for (3s+3)(3s-3)= equation:

Simplifying
(3s + 3)(3s + -3) = 0

Reorder the terms:
(3 + 3s)(3s + -3) = 0

Reorder the terms:
(3 + 3s)(-3 + 3s) = 0

Multiply (3 + 3s) * (-3 + 3s)
(3(-3 + 3s) + 3s * (-3 + 3s)) = 0
((-3 * 3 + 3s * 3) + 3s * (-3 + 3s)) = 0
((-9 + 9s) + 3s * (-3 + 3s)) = 0
(-9 + 9s + (-3 * 3s + 3s * 3s)) = 0
(-9 + 9s + (-9s + 9s2)) = 0

Combine like terms: 9s + -9s = 0
(-9 + 0 + 9s2) = 0
(-9 + 9s2) = 0

Solving
-9 + 9s2 = 0

Solving for variable 's'.

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

Add '9' to each side of the equation.
-9 + 9 + 9s2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 9s2 = 0 + 9
9s2 = 0 + 9

Combine like terms: 0 + 9 = 9
9s2 = 9

Divide each side by '9'.
s2 = 1

Simplifying
s2 = 1

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