x^2-16-225=0

Solution for x^2-16-225=0 equation:

Simplifying
x2 + -16 + -225 = 0

Reorder the terms:
-16 + -225 + x2 = 0

Combine like terms: -16 + -225 = -241
-241 + x2 = 0

Solving
-241 + x2 = 0

Solving for variable 'x'.

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

Add '241' to each side of the equation.
-241 + 241 + x2 = 0 + 241

Combine like terms: -241 + 241 = 0
0 + x2 = 0 + 241
x2 = 0 + 241

Combine like terms: 0 + 241 = 241
x2 = 241

Simplifying
x2 = 241

Take the square root of each side:
x = {-15.524174696, 15.524174696}