(3s+4)(3s-4)=

Solution for (3s+4)(3s-4)= equation:

Simplifying
(3s + 4)(3s + -4) = 0

Reorder the terms:
(4 + 3s)(3s + -4) = 0

Reorder the terms:
(4 + 3s)(-4 + 3s) = 0

Multiply (4 + 3s) * (-4 + 3s)
(4(-4 + 3s) + 3s * (-4 + 3s)) = 0
((-4 * 4 + 3s * 4) + 3s * (-4 + 3s)) = 0
((-16 + 12s) + 3s * (-4 + 3s)) = 0
(-16 + 12s + (-4 * 3s + 3s * 3s)) = 0
(-16 + 12s + (-12s + 9s2)) = 0

Combine like terms: 12s + -12s = 0
(-16 + 0 + 9s2) = 0
(-16 + 9s2) = 0

Solving
-16 + 9s2 = 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 + 9s2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 9s2 = 0 + 16
9s2 = 0 + 16

Combine like terms: 0 + 16 = 16
9s2 = 16

Divide each side by '9'.
s2 = 1.777777778

Simplifying
s2 = 1.777777778

Take the square root of each side:
s = {-1.333333333, 1.333333333}