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OpenStudy (anonymous):

I need double checking. http://i45.tinypic.com/jqjoep.jpg I got the answer "1"... need someone to make sure if that's right.

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OpenStudy (kinggeorge):

I'm getting 0.

OpenStudy (anonymous):

Interesting, gotta figure out what I did wrong.

OpenStudy (kinggeorge):

\[\frac{x^2-1}{(x-2)(x+1)}-\frac{(x-1)(x+1)}{(x-2)(x+1)}\]\[=\frac{x^2-1}{(x-2)(x+1)}-\frac{x^2-1}{(x-2)(x+1)}=\frac{x^2-1-(x^2-1)}{(x-2)(x+1)}\]\[=\frac{0}{(x-2)(x+1)}=0\]

OpenStudy (anonymous):

Thanks, appreciate it.

OpenStudy (kinggeorge):

You're welcome.

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