Question

Factor: 2p^4-32q^4

Answer 1

factor out a 2

2(p^4-16q^4) = 2(p^4 - 4^2*q^2) = 2((p^2)^2- (q^2*4)^2)

now use (a^2-b^2) = (a-b)(a+b)

you got it from here?

Answer 2

32 = 2^5

Answer 3

@zzr0ck3r no.. not following..