Respuesta :

Answer:

=37a+5b

Step-by-step explanation:

Let's simplify step-by-step.

2a+5(b+7a)

Distribute:

=2a+(5)(b)+(5)(7a)

=2a+5b+35a

Combine Like Terms:

=2a+5b+35a

=(2a+35a)+(5b)

=37a+5b

Answer:

=37a+5b