Respuesta :

Answer:

56a+91

Step-by-step explanation:

To open up the parenthesis, we use the distributive property.

8*7a=56a

8*8=91

So, the answer is 56a+91

devishri1977

Answer:

Step-by-step explanation:

8(7a+8) = 8*7a + 8*8

              = 56a + 64