23.6*23.6+15*15=x*x

Solution for 23.6*23.6+15*15=x*x equation:

Simplifying
23.6 * 23.6 + 15 * 15 = x * x

Multiply 23.6 * 23.6
556.96 + 15 * 15 = x * x

Multiply 15 * 15
556.96 + 225 = x * x

Combine like terms: 556.96 + 225 = 781.96
781.96 = x * x

Multiply x * x
781.96 = x2

Solving
781.96 = 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.
781.96 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
781.96 + -1x2 = 0

Add '-781.96' to each side of the equation.
781.96 + -781.96 + -1x2 = 0 + -781.96

Combine like terms: 781.96 + -781.96 = 0.00
0.00 + -1x2 = 0 + -781.96
-1x2 = 0 + -781.96

Combine like terms: 0 + -781.96 = -781.96
-1x2 = -781.96

Divide each side by '-1'.
x2 = 781.96

Simplifying
x2 = 781.96

Take the square root of each side:
x = {-27.963547701, 27.963547701}