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posted by Devki Thursday, August 7, 2008 at 6:02pm.

Simplify: (x+4)/x-4)(1/x+4) (x-4)(1) Answer: 1/x-4 is that right?

[(x+4)/x-4)]*[1/(x+4)] = 1/(x-4 ) But i don't know why you also wrote (x-4)(1)

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