2*2+b*b=6*6

Solution for 2*2+b*b=6*6 equation:

Simplifying
2 * 2 + b * b = 6 * 6

Multiply 2 * 2
4 + b * b = 6 * 6

Multiply b * b
4 + b2 = 6 * 6

Multiply 6 * 6
4 + b2 = 36

Solving
4 + b2 = 36

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + b2 = 36 + -4

Combine like terms: 4 + -4 = 0
0 + b2 = 36 + -4
b2 = 36 + -4

Combine like terms: 36 + -4 = 32
b2 = 32

Simplifying
b2 = 32

Take the square root of each side:
b = {-5.656854249, 5.656854249}