The volume of a rectangular box is (x3 + 2x2 - 9x - 18) cubic units. Determine the dimensions of the rectangular box by factoring the volume expression completely. Show your work

Question

anonymous · Answer

lordamercy how are you sposed to factor a cubic? 
i would cheat

anonymous · Answer

$$(x+2) (x-3) (x+3)$$ http://www.wolframalpha.com/input/?i=+x3+%2B+2x2+-+9x+-+18

isaiah.feynman · Answer

@satellite73 Factoring by grouping seems to work here.

isaiah.feynman · Answer

attachment

anonymous · Answer

Okay hold on let me read all the comments so far.. I was away from my computer

anonymous · Answer

Okay i understand

anonymous · Answer

Thank you very much