2x^2-515=0

Solution for 2x^2-515=0 equation:

Simplifying
2x2 + -515 = 0

Reorder the terms:
-515 + 2x2 = 0

Solving
-515 + 2x2 = 0

Solving for variable 'x'.

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

Add '515' to each side of the equation.
-515 + 515 + 2x2 = 0 + 515

Combine like terms: -515 + 515 = 0
0 + 2x2 = 0 + 515
2x2 = 0 + 515

Combine like terms: 0 + 515 = 515
2x2 = 515

Divide each side by '2'.
x2 = 257.5

Simplifying
x2 = 257.5

Take the square root of each side:
x = {-16.046806536, 16.046806536}