x^2+225-289=0

Solution for x^2+225-289=0 equation:

Simplifying
x2 + 225 + -289 = 0

Reorder the terms:
225 + -289 + x2 = 0

Combine like terms: 225 + -289 = -64
-64 + x2 = 0

Solving
-64 + x2 = 0

Solving for variable 'x'.

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

Add '64' to each side of the equation.
-64 + 64 + x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + x2 = 0 + 64
x2 = 0 + 64

Combine like terms: 0 + 64 = 64
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}