(3+9b)(3)=

Solution for (3+9b)(3)= equation:

Simplifying
(3 + 9b)(3) = 0

Reorder the terms for easier multiplication:
3(3 + 9b) = 0
(3 * 3 + 9b * 3) = 0
(9 + 27b) = 0

Solving
9 + 27b = 0

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 27b = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 27b = 0 + -9
27b = 0 + -9

Combine like terms: 0 + -9 = -9
27b = -9

Divide each side by '27'.
b = -0.3333333333

Simplifying
b = -0.3333333333