-2x^2-2=y

Solution for -2x^2-2=y equation:

Simplifying
-2x2 + -2 = y

Reorder the terms:
-2 + -2x2 = y

Solving
-2 + -2x2 = y

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + -2x2 = 2 + y

Combine like terms: -2 + 2 = 0
0 + -2x2 = 2 + y
-2x2 = 2 + y

Divide each side by '-2'.
x2 = -1 + -0.5y

Simplifying
x2 = -1 + -0.5y

Reorder the terms:
1 + x2 + 0.5y = -1 + -0.5y + 1 + 0.5y

Reorder the terms:
1 + x2 + 0.5y = -1 + 1 + -0.5y + 0.5y

Combine like terms: -1 + 1 = 0
1 + x2 + 0.5y = 0 + -0.5y + 0.5y
1 + x2 + 0.5y = -0.5y + 0.5y

Combine like terms: -0.5y + 0.5y = 0.0
1 + x2 + 0.5y = 0.0

The solution to this equation could not be determined.