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April 28, 2015

Homework Help: math

Posted by adrienne on Tuesday, March 26, 2013 at 11:25pm.

solve the polynomial inequality and graph the solution set on a real number line. set in interval notation.
x^3+2x^2-4x-8>0

I have been staring at this problem for the last 15 minutes because I just don't understand it, somebody please help me?

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