SOLUTION: Factor r^2-1 I got (r^2+1)(r^2-1) Am i on the right path?

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Question 168694: Factor
r^2-1
I got
(r^2+1)(r^2-1)
Am i on the right path?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Close, but the actual factorization is %28r%2B1%29%28r-1%29