l(l-30)=0

Solution for l(l-30)=0 equation:

Simplifying
l(l + -30) = 0

Reorder the terms:
l(-30 + l) = 0
(-30 * l + l * l) = 0
(-30l + l2) = 0

Solving
-30l + l2 = 0

Solving for variable 'l'.

Factor out the Greatest Common Factor (GCF), 'l'.
l(-30 + l) = 0

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

Simplifying
l = 0

Solving
l = 0

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

Simplifying
l = 0
Subproblem 2
Set the factor '(-30 + l)' equal to zero and attempt to solve:

Simplifying
-30 + l = 0

Solving
-30 + l = 0

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

Add '30' to each side of the equation.
-30 + 30 + l = 0 + 30

Combine like terms: -30 + 30 = 0
0 + l = 0 + 30
l = 0 + 30

Combine like terms: 0 + 30 = 30
l = 30

Simplifying
l = 30
Solution
l = {0, 30}