Question

(8v-7) (8v+7)

Answer 1

i guess i've solved this for you before!!!
and the answer was
64v^2 - 49

Answer 2

64v squared - 49

Answer 3

thanks so much for helping

Answer 4

yw =)

Answer 5

no help was given actually; just an answer.

there was no means of helping you to arrive at that answer ....

Answer 6

amistre help me http://openstudy.com/updates/4f6396c7e4b079c5c631dfe8

Answer 7

actually i've explained it before...

Answer 8

then it was helpful before :)