-a(a-y)=

Solution for -a(a-y)= equation:

Simplifying
-1a(a + -1y) = 0
(a * -1a + -1y * -1a) = 0

Reorder the terms:
(1ay + -1a2) = 0
(1ay + -1a2) = 0

Solving
1ay + -1a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(y + -1a) = 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 '(y + -1a)' equal to zero and attempt to solve:

Simplifying
y + -1a = 0

Reorder the terms:
-1a + y = 0

Solving
-1a + y = 0

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

Add '-1y' to each side of the equation.
-1a + y + -1y = 0 + -1y

Combine like terms: y + -1y = 0
-1a + 0 = 0 + -1y
-1a = 0 + -1y
Remove the zero:
-1a = -1y

Divide each side by '-1'.
a = y

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