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December 21, 2014

December 21, 2014

Posted by **lisa** on Friday, February 22, 2008 at 10:47am.

- math -
**drwls**, Friday, February 22, 2008 at 12:55pmWhat have written is ambiguous unless you insert parentheses where they are needed to explain the order of operation.

If you mean

x^2/(x-3) -9/(x-3) ,

then rewrite it as

(x^2-9)/(x-3) = (x+3)(x-3)/(x-3) = x+3

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