x*x+12*12=13*13

Solution for x*x+12*12=13*13 equation:

Simplifying
x * x + 12 * 12 = 13 * 13

Multiply x * x
x2 + 12 * 12 = 13 * 13

Multiply 12 * 12
x2 + 144 = 13 * 13

Reorder the terms:
144 + x2 = 13 * 13

Multiply 13 * 13
144 + x2 = 169

Solving
144 + x2 = 169

Solving for variable 'x'.

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

Add '-144' to each side of the equation.
144 + -144 + x2 = 169 + -144

Combine like terms: 144 + -144 = 0
0 + x2 = 169 + -144
x2 = 169 + -144

Combine like terms: 169 + -144 = 25
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}