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December 18, 2014

December 18, 2014

Posted by **Gary** on Sunday, September 5, 2010 at 8:42am.

Please help. Thanks

- Multiplying -
**Reiny**, Sunday, September 5, 2010 at 9:50amfactor it to look like

81a^2/(2(a+1)(a-1)) * 2(a-1)/(9a)

then cancel to leave you with

9a/(a-1) , a ≠ 1

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