108=b*3b

Solution for 108=b*3b equation:

Simplifying
108 = b * 3b

Reorder the terms for easier multiplication:
108 = 3b * b

Multiply b * b
108 = 3b2

Solving
108 = 3b2

Solving for variable 'b'.

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

Add '-3b2' to each side of the equation.
108 + -3b2 = 3b2 + -3b2

Combine like terms: 3b2 + -3b2 = 0
108 + -3b2 = 0

Add '-108' to each side of the equation.
108 + -108 + -3b2 = 0 + -108

Combine like terms: 108 + -108 = 0
0 + -3b2 = 0 + -108
-3b2 = 0 + -108

Combine like terms: 0 + -108 = -108
-3b2 = -108

Divide each side by '-3'.
b2 = 36

Simplifying
b2 = 36

Take the square root of each side:
b = {-6, 6}