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Mathematics 10 Online
OpenStudy (anonymous):

2x^3-x-3=0...i cant see any grouping that would help...so how am i supposed to solve a 3rd degree polynomial?

OpenStudy (phi):

Are you sure you have the correct equation? There is a closed form solution (see http://en.wikipedia.org/wiki/Cubic_function#Cardano) But it is hairy. This particular equation has no nice roots.

OpenStudy (anonymous):

checked wolfram...i know its messy

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