s^2-4s=

Solution for s^2-4s= equation:

Simplifying
s2 + -4s = 0

Reorder the terms:
-4s + s2 = 0

Solving
-4s + s2 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), 's'.
s(-4 + 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 '(-4 + s)' equal to zero and attempt to solve:

Simplifying
-4 + s = 0

Solving
-4 + s = 0

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

Add '4' to each side of the equation.
-4 + 4 + s = 0 + 4

Combine like terms: -4 + 4 = 0
0 + s = 0 + 4
s = 0 + 4

Combine like terms: 0 + 4 = 4
s = 4

Simplifying
s = 4
Solution
s = {0, 4}