2x^2-168=0

Solution for 2x^2-168=0 equation:

Simplifying
2x2 + -168 = 0

Reorder the terms:
-168 + 2x2 = 0

Solving
-168 + 2x2 = 0

Solving for variable 'x'.

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

Add '168' to each side of the equation.
-168 + 168 + 2x2 = 0 + 168

Combine like terms: -168 + 168 = 0
0 + 2x2 = 0 + 168
2x2 = 0 + 168

Combine like terms: 0 + 168 = 168
2x2 = 168

Divide each side by '2'.
x2 = 84

Simplifying
x2 = 84

Take the square root of each side:
x = {-9.16515139, 9.16515139}