D(D-12)=0

Solution for D(D-12)=0 equation:

Simplifying
D(D + -12) = 0

Reorder the terms:
D(-12 + D) = 0
(-12 * D + D * D) = 0
(-12D + D2) = 0

Solving
-12D + D2 = 0

Solving for variable 'D'.

Factor out the Greatest Common Factor (GCF), 'D'.
D(-12 + D) = 0

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

Simplifying
D = 0

Solving
D = 0

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

Simplifying
D = 0
Subproblem 2
Set the factor '(-12 + D)' equal to zero and attempt to solve:

Simplifying
-12 + D = 0

Solving
-12 + D = 0

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

Add '12' to each side of the equation.
-12 + 12 + D = 0 + 12

Combine like terms: -12 + 12 = 0
0 + D = 0 + 12
D = 0 + 12

Combine like terms: 0 + 12 = 12
D = 12

Simplifying
D = 12
Solution
D = {0, 12}