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Factoring Quartic Polynomials: A Lost Art

by Gary Brookfield (California State University Los Angeles)

This article originally appeared in:
Mathematics Magazine
February, 2007

Subject classification(s): Algebra and Number Theory | Algebra | Equations
Applicable Course(s): 4.2 Mod Algebra I & II

An old and forgotten method for determining whether a quartic polynomial over the rationals is reducible is revived.

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