Algebra 2 Help Needed!!!

[From: ] [author: ] [Date: 11-05-12] [Hit: ]

(x^2 - 4)(x^2 - 16) (x + 2)(x - 2)(x + 4)(x - 4)-i think both eq. cant be factorised.......

-Factor.

1) 8x^2 + 12x - 16

2) x^4 - 20x^2 + 64

Please help!!

1. 4(x^2 + 3x - 4)
2. (x^2 - 4)(x^2 - 16)
(x + 2)(x - 2)(x + 4)(x - 4)

i think both eq. cant be factorised. you can get values of x by formula of roots

keywords: Help,Needed,Algebra,Algebra 2 Help Needed!!!