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February 28, 2015

February 28, 2015

Posted by **Anon** on Monday, July 2, 2012 at 8:31pm.

I know the answer comes to (5-a)/a but I can't figure out how to simplify it to this. I've gotten close but I'm not sure. Its probably easier than I'm making it out to be.

- Math -
**Quidditch**, Tuesday, July 3, 2012 at 12:33amTry multiplying by a/a.

- Math -
**Reiny**, Tuesday, July 3, 2012 at 12:37ameasiest way.....

multiply top and bottom of the main fraction by a to get

(25-a^2) / (a(5+a) )

= (5+a)(5-a)/(a(5+a) )

= (5-a)/a

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