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April 26, 2015

Homework Help: math

Posted by Paula on Monday, March 22, 2010 at 10:12pm.

How to factor (x/x-2)-(x+2/x)
my answer is -x^2-x-2/x

and (3+sq rt 5)*(3-sq rt 5)
my answers are either 4 or 3*sq rt 5^2

are any of these right?

Thanks so much for all of your help.

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