4x^2-320=0

Solution for 4x^2-320=0 equation:

Simplifying
4x2 + -320 = 0

Reorder the terms:
-320 + 4x2 = 0

Solving
-320 + 4x2 = 0

Solving for variable 'x'.

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

Add '320' to each side of the equation.
-320 + 320 + 4x2 = 0 + 320

Combine like terms: -320 + 320 = 0
0 + 4x2 = 0 + 320
4x2 = 0 + 320

Combine like terms: 0 + 320 = 320
4x2 = 320

Divide each side by '4'.
x2 = 80

Simplifying
x2 = 80

Take the square root of each side:
x = {-8.94427191, 8.94427191}