4x^2-64-128=0

Solution for 4x^2-64-128=0 equation:

Simplifying
4x2 + -64 + -128 = 0

Reorder the terms:
-64 + -128 + 4x2 = 0

Combine like terms: -64 + -128 = -192
-192 + 4x2 = 0

Solving
-192 + 4x2 = 0

Solving for variable 'x'.

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

Add '192' to each side of the equation.
-192 + 192 + 4x2 = 0 + 192

Combine like terms: -192 + 192 = 0
0 + 4x2 = 0 + 192
4x2 = 0 + 192

Combine like terms: 0 + 192 = 192
4x2 = 192

Divide each side by '4'.
x2 = 48

Simplifying
x2 = 48

Take the square root of each side:
x = {-6.92820323, 6.92820323}