s(s+9)=0

Solution for s(s+9)=0 equation:

Simplifying
s(s + 9) = 0

Reorder the terms:
s(9 + s) = 0
(9 * s + s * s) = 0
(9s + s2) = 0

Solving
9s + s2 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), 's'.
s(9 + s) = 0

Subproblem 1
Set the factor 's' equal to zero and attempt to solve:

Simplifying
s = 0

Solving
s = 0

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

Simplifying
s = 0
Subproblem 2
Set the factor '(9 + s)' equal to zero and attempt to solve:

Simplifying
9 + s = 0

Solving
9 + s = 0

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

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

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

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

Simplifying
s = -9
Solution
s = {0, -9}