Respuesta :

Answer:

The answer is 9 + 21b

Step-by-step explanation:

Simplify the expression.

~Hoped this helped~

Answer:

9 + 21b

Step-by-step explanation:

I) Distribute the terms:

3(3 + 7b) = 3(3) + 3(7b)

II) Solve:

3(3) = 9

3(7b) = 21b

9 + 21b