2x^2-25=137

Solution for 2x^2-25=137 equation:

Simplifying
2x2 + -25 = 137

Reorder the terms:
-25 + 2x2 = 137

Solving
-25 + 2x2 = 137

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 2x2 = 137 + 25

Combine like terms: -25 + 25 = 0
0 + 2x2 = 137 + 25
2x2 = 137 + 25

Combine like terms: 137 + 25 = 162
2x2 = 162

Divide each side by '2'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}