c(c-4)=0

Solution for c(c-4)=0 equation:

Simplifying
c(c + -4) = 0

Reorder the terms:
c(-4 + c) = 0
(-4 * c + c * c) = 0
(-4c + c2) = 0

Solving
-4c + c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), 'c'.
c(-4 + c) = 0

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

Simplifying
c = 0

Solving
c = 0

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

Simplifying
c = 0
Subproblem 2
Set the factor '(-4 + c)' equal to zero and attempt to solve:

Simplifying
-4 + c = 0

Solving
-4 + c = 0

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

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

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

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

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