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January 31, 2015

January 31, 2015

Posted by **Devki** on Thursday, August 7, 2008 at 6:02pm.

(x+4)/x-4)(1/x+4)

(x-4)(1)

Answer: 1/x-4

is that right?

- Mathematics -
**drwls**, Thursday, August 7, 2008 at 6:08pm[(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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