4q^2-20q=0

Solution for 4q^2-20q=0 equation:

Simplifying
4q2 + -20q = 0

Reorder the terms:
-20q + 4q2 = 0

Solving
-20q + 4q2 = 0

Solving for variable 'q'.

Factor out the Greatest Common Factor (GCF), '4q'.
4q(-5 + q) = 0

Ignore the factor 4.
Subproblem 1
Set the factor 'q' equal to zero and attempt to solve:

Simplifying
q = 0

Solving
q = 0

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

Simplifying
q = 0
Subproblem 2
Set the factor '(-5 + q)' equal to zero and attempt to solve:

Simplifying
-5 + q = 0

Solving
-5 + q = 0

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

Add '5' to each side of the equation.
-5 + 5 + q = 0 + 5

Combine like terms: -5 + 5 = 0
0 + q = 0 + 5
q = 0 + 5

Combine like terms: 0 + 5 = 5
q = 5

Simplifying
q = 5
Solution
q = {0, 5}