Respuesta :

Answer:

16k^2 + 62k + 21

Step-by-step explanation:

We can distribute:

(8k + 3)(2k + 7)

(8k)(2k) + (8k)7 + 3(2k) + 3(7)

Now, we can simplify:

16k^2 + 56k + 6k + 21

16k^2 + 62k + 21