Question

(7v-8)^2
Find each product.

Answer 1

Do you know how to multiplying using foil:
(7v-8)(7v-8) = (7v)(7v) - (7v)(8) -(8)(7v) +(8)(8)
Carry out the multiplications and tell me what you get?

Answer 2

49v^2-112+64

Answer 3

Good job, but you left out a 'v':
Answer: 49v^2-112v+64.