40c^2-12c=0

Solution for 40c^2-12c=0 equation:

Simplifying
40c2 + -12c = 0

Reorder the terms:
-12c + 40c2 = 0

Solving
-12c + 40c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), '4c'.
4c(-3 + 10c) = 0

Ignore the factor 4.
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 '(-3 + 10c)' equal to zero and attempt to solve:

Simplifying
-3 + 10c = 0

Solving
-3 + 10c = 0

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

Add '3' to each side of the equation.
-3 + 3 + 10c = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 10c = 0 + 3
10c = 0 + 3

Combine like terms: 0 + 3 = 3
10c = 3

Divide each side by '10'.
c = 0.3

Simplifying
c = 0.3
Solution
c = {0, 0.3}