Question

Which expression is equivalent to 16x^4 - 64?

(4x^2 - 8)^2
(8x^2 - 32)^2
(4x^2 + 8)(4x^2 - 8)
(8x^2+32)(8x^2-32)

Answer 1

3237342324=4234463284324234324-34234327432423423+2343242879485326556252434=7

Explanation:

Answer 2

I am pretty sure that the third option is correct because you get that expression after foiling it