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November 28, 2014

November 28, 2014

Posted by **Christina** on Tuesday, July 24, 2012 at 11:23am.

125r^2-245

- algebra -
**Reiny**, Tuesday, July 24, 2012 at 11:28am= 5(25r^2 - 49)

= 5(5r+7)(5r-7)

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