b^2-66+9=0

Solution for b^2-66+9=0 equation:

Simplifying
b2 + -66 + 9 = 0

Reorder the terms:
-66 + 9 + b2 = 0

Combine like terms: -66 + 9 = -57
-57 + b2 = 0

Solving
-57 + b2 = 0

Solving for variable 'b'.

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

Add '57' to each side of the equation.
-57 + 57 + b2 = 0 + 57

Combine like terms: -57 + 57 = 0
0 + b2 = 0 + 57
b2 = 0 + 57

Combine like terms: 0 + 57 = 57
b2 = 57

Simplifying
b2 = 57

Take the square root of each side:
b = {-7.549834435, 7.549834435}