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April 18, 2015

April 18, 2015

Posted by **Anonymous** on Wednesday, July 21, 2010 at 8:15am.

- Math, not "12th grade" -
**Writeacher**, Wednesday, July 21, 2010 at 8:18amPlease type your

__subject__in the**School Subject**box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.

- 12th grade -
**Reiny**, Wednesday, July 21, 2010 at 8:40amfirst first the dimensions of the room ....

x(x+2) = 168

x^2 + 2x - 168 = 0

(x-12)(x+14) = 0

I am sure you can take it from here

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