-4x^2-256=0

Solution for -4x^2-256=0 equation:

Simplifying
-4x2 + -256 = 0

Reorder the terms:
-256 + -4x2 = 0

Solving
-256 + -4x2 = 0

Solving for variable 'x'.

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

Add '256' to each side of the equation.
-256 + 256 + -4x2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + -4x2 = 0 + 256
-4x2 = 0 + 256

Combine like terms: 0 + 256 = 256
-4x2 = 256

Divide each side by '-4'.
x2 = -64

Simplifying
x2 = -64

Reorder the terms:
64 + x2 = -64 + 64

Combine like terms: -64 + 64 = 0
64 + x2 = 0

The solution to this equation could not be determined.