=-2(-y)(y)

Solution for =-2(-y)(y) equation:

Simplifying
0 = -2(-1y)(y)

Remove parenthesis around (-1y)
0 = -2 * -1y(y)

Multiply -2 * -1
0 = 2y * y

Multiply y * y
0 = 2y2

Solving
0 = 2y2

Solving for variable 'y'.

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

Add '-2y2' to each side of the equation.
0 + -2y2 = 2y2 + -2y2
Remove the zero:
-2y2 = 2y2 + -2y2

Combine like terms: 2y2 + -2y2 = 0
-2y2 = 0

Divide each side by '-2'.
y2 = 0

Simplifying
y2 = 0

Take the square root of each side:
y = {0}