a(a-12)=

Solution for a(a-12)= equation:

Simplifying
a(a + -12) = 0

Reorder the terms:
a(-12 + a) = 0
(-12 * a + a * a) = 0
(-12a + a2) = 0

Solving
-12a + a2 = 0

Solving for variable 'a'.

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

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

Simplifying
a = 0

Solving
a = 0

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

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

Simplifying
-12 + a = 0

Solving
-12 + a = 0

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

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

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

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

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