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Mathematics 22 Online
OpenStudy (anonymous):

identify the number of roots of y=2x^4+x^3-x and what are they

OpenStudy (anonymous):

zero clearly works the other one is not easy to find http://www.wolframalpha.com/input/?i=2x^4%2Bx^3-x

OpenStudy (swissgirl):

You can do long division

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