If a polynomial has a root , i.e., if , then is a factor of .
Polynomial Factor Theorem
See also
Polynomial, Polynomial FactorizationThis entry contributed by Mark Hudson
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References
Spector, L. "Roots of Polynomials of Degree Greater than 2." http://www.themathpage.com/aPreCalc/factor-theorem.htm.Stapel, E. "The Factor Theorem." http://www.purplemath.com/modules/factrthm.htm.Referenced on Wolfram|Alpha
Polynomial Factor TheoremCite this as:
Hudson, Mark. "Polynomial Factor Theorem." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/PolynomialFactorTheorem.html