2x^2-4=160

Solution for 2x^2-4=160 equation:

Simplifying
2x2 + -4 = 160

Reorder the terms:
-4 + 2x2 = 160

Solving
-4 + 2x2 = 160

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 2x2 = 160 + 4

Combine like terms: -4 + 4 = 0
0 + 2x2 = 160 + 4
2x2 = 160 + 4

Combine like terms: 160 + 4 = 164
2x2 = 164

Divide each side by '2'.
x2 = 82

Simplifying
x2 = 82

Take the square root of each side:
x = {-9.055385138, 9.055385138}