Respuesta :

Scryt
Correct answer is B.

[tex]2a+5(b+7a)=2a+5*b+5*7b=2a+5b+35a=37a+5b[/tex] :)
TSO
[tex]2a + 5(b + 7a)\\\\\sf{Distribute~the~5}\\\\\sf{Distributive ~property:~a(b+c)=ab+ac}\\\\2a + 5(b + 7a)\\\\=2a + 5b + 5(7a)\\\\=2a + 5b + 35a\\\\=\boxed{\bf{37a+5b}}[/tex]

Your final answer is B.