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Mathematics 14 Online
OpenStudy (anonymous):

solve for x: x^3+x^2-1>(x^4)/4

OpenStudy (tkhunny):

Rewrite: x^4 - 4x^3 - 4x^2 + 4 < 0 See if that polynomial is EVER zero? A quartic polynomial doesn't HAVE to cross the x-axis.

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