2x^2-25=487

Solution for 2x^2-25=487 equation:

Simplifying
2x2 + -25 = 487

Reorder the terms:
-25 + 2x2 = 487

Solving
-25 + 2x2 = 487

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 = 487 + 25

Combine like terms: -25 + 25 = 0
0 + 2x2 = 487 + 25
2x2 = 487 + 25

Combine like terms: 487 + 25 = 512
2x2 = 512

Divide each side by '2'.
x2 = 256

Simplifying
x2 = 256

Take the square root of each side:
x = {-16, 16}