15*15+x*x=64*64

Solution for 15*15+x*x=64*64 equation:

Simplifying
15 * 15 + x * x = 64 * 64

Multiply 15 * 15
225 + x * x = 64 * 64

Multiply x * x
225 + x2 = 64 * 64

Multiply 64 * 64
225 + x2 = 4096

Solving
225 + x2 = 4096

Solving for variable 'x'.

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

Add '-225' to each side of the equation.
225 + -225 + x2 = 4096 + -225

Combine like terms: 225 + -225 = 0
0 + x2 = 4096 + -225
x2 = 4096 + -225

Combine like terms: 4096 + -225 = 3871
x2 = 3871

Simplifying
x2 = 3871

Take the square root of each side:
x = {-62.217360921, 62.217360921}