Respuesta :

−3 ( −3b + 5 ) + 9 ( 7b + 5

= 6(12b+5)
mlarsen5000

Answer:

72b+30

Step-by-step explanation:

Assuming that the other parentheses is after the 5 and not after 7b:

-3(-3b+5)+9(7b+5)

9b-15+63b+45

72b+30

Otras preguntas