2x^2+-128-158=0

Solution for 2x^2+-128-158=0 equation:

Simplifying
2x2 + -128 + -158 = 0

Reorder the terms:
-128 + -158 + 2x2 = 0

Combine like terms: -128 + -158 = -286
-286 + 2x2 = 0

Solving
-286 + 2x2 = 0

Solving for variable 'x'.

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

Add '286' to each side of the equation.
-286 + 286 + 2x2 = 0 + 286

Combine like terms: -286 + 286 = 0
0 + 2x2 = 0 + 286
2x2 = 0 + 286

Combine like terms: 0 + 286 = 286
2x2 = 286

Divide each side by '2'.
x2 = 143

Simplifying
x2 = 143

Take the square root of each side:
x = {-11.958260743, 11.958260743}