-3200=-2x^2

Solution for -3200=-2x^2 equation:

Simplifying
-3200 = -2x2

Solving
-3200 = -2x2

Solving for variable 'x'.

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

Add '2x2' to each side of the equation.
-3200 + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-3200 + 2x2 = 0

Add '3200' to each side of the equation.
-3200 + 3200 + 2x2 = 0 + 3200

Combine like terms: -3200 + 3200 = 0
0 + 2x2 = 0 + 3200
2x2 = 0 + 3200

Combine like terms: 0 + 3200 = 3200
2x2 = 3200

Divide each side by '2'.
x2 = 1600

Simplifying
x2 = 1600

Take the square root of each side:
x = {-40, 40}