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January 30, 2015

January 30, 2015

Posted by **Marilyn** on Thursday, July 31, 2008 at 11:52pm.

xˉ² = 4

- Math -
**drwls**, Friday, August 1, 2008 at 12:53amIs that supposed to be x^2 or x^-2? In either case, take the square root(s) of both sides

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