3*3+x*x=6*6

Solution for 3*3+x*x=6*6 equation:

Simplifying
3 * 3 + x * x = 6 * 6

Multiply 3 * 3
9 + x * x = 6 * 6

Multiply x * x
9 + x2 = 6 * 6

Multiply 6 * 6
9 + x2 = 36

Solving
9 + x2 = 36

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + x2 = 36 + -9

Combine like terms: 9 + -9 = 0
0 + x2 = 36 + -9
x2 = 36 + -9

Combine like terms: 36 + -9 = 27
x2 = 27

Simplifying
x2 = 27

Take the square root of each side:
x = {-5.196152423, 5.196152423}