(15-2s)(15-2s)=0

Solution for (15-2s)(15-2s)=0 equation:

Simplifying
(15 + -2s)(15 + -2s) = 0

Multiply (15 + -2s) * (15 + -2s)
(15(15 + -2s) + -2s * (15 + -2s)) = 0
((15 * 15 + -2s * 15) + -2s * (15 + -2s)) = 0
((225 + -30s) + -2s * (15 + -2s)) = 0
(225 + -30s + (15 * -2s + -2s * -2s)) = 0
(225 + -30s + (-30s + 4s2)) = 0

Combine like terms: -30s + -30s = -60s
(225 + -60s + 4s2) = 0

Solving
225 + -60s + 4s2 = 0

Solving for variable 's'.

Factor a trinomial.
(15 + -2s)(15 + -2s) = 0

Subproblem 1
Set the factor '(15 + -2s)' equal to zero and attempt to solve:

Simplifying
15 + -2s = 0

Solving
15 + -2s = 0

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

Add '-15' to each side of the equation.
15 + -15 + -2s = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2s = 0 + -15
-2s = 0 + -15

Combine like terms: 0 + -15 = -15
-2s = -15

Divide each side by '-2'.
s = 7.5

Simplifying
s = 7.5
Subproblem 2
Set the factor '(15 + -2s)' equal to zero and attempt to solve:

Simplifying
15 + -2s = 0

Solving
15 + -2s = 0

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

Add '-15' to each side of the equation.
15 + -15 + -2s = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2s = 0 + -15
-2s = 0 + -15

Combine like terms: 0 + -15 = -15
-2s = -15

Divide each side by '-2'.
s = 7.5

Simplifying
s = 7.5
Solution
s = {7.5, 7.5}