Respuesta :

Answer:

5x+56

Step-by-step explanation:

5x+8(5+2)

5x+8(7)

21x + 40

Step-by-Step:

1) Distribute the 8 to both the 5 and 2x by multiplying.

5x + 40 + 16x

2) Combine like terms.

21x + 40