144+169=x^2

Solution for 144+169=x^2 equation:

Simplifying
144 + 169 = x2

Combine like terms: 144 + 169 = 313
313 = x2

Solving
313 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
313 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
313 + -1x2 = 0

Add '-313' to each side of the equation.
313 + -313 + -1x2 = 0 + -313

Combine like terms: 313 + -313 = 0
0 + -1x2 = 0 + -313
-1x2 = 0 + -313

Combine like terms: 0 + -313 = -313
-1x2 = -313

Divide each side by '-1'.
x2 = 313

Simplifying
x2 = 313

Take the square root of each side:
x = {-17.691806013, 17.691806013}