simplify polynomial (HELP!!)

Question

0

949

3

(((x+3a)(x+2a)-(x-3a)^2)/(-3a))^2-a(a-7x)

((X-3xy)(x+3xy)(x^2-1)(x^2+1)-9x^2y^2)/(-x^2)

Guest Sep 28, 2012

Guest · Answer 1 · 2012-09-29T10:16:20

1:1/9*x^2+31/3*a*x-26*a^2

2: -x^4+9*x^4*y^2+1

Guest · Answer 2 · 2013-12-15T02:05:53

{[(x^6-3x^4+3x^2-1)/(x^2-1)]:(x^2-1)}/(x-1)=

Melody · Answer 3 · 2013-12-16T05:48:11

ikang:
(((x+3a)(x+2a)-(x-3a)^2)/(-3a))^2-a(a-7x)

I've been mucking around with this one and this is what i got.
If anyone finds an error, let me know.

131216 latex answer 2.JPG