In this video, a math teacher solves a polynomial polydoku puzzle, step by step.
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FactoringPolynomialsCalculator.com
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A helpful scientific calculator that runs in your web browser window.
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Holt Online Learning
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In this video, Salman Khan of Khan Academy explains completing the square.
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Khan Academy
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This video includes sample exercises and step-by-step explanations of polynomial factoring and multiplication for the California Standards Test.
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Khan Academy
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Interactive Worksheets for practicing factoring of trinomials
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AlgebraHelp.com
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Some worked example problems that point out many common errors students make when solving them.
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Pauls Online Math Notes
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Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.
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Paul's Online Math Notes
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A discussion of more complicated methods of factoring expressions.
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Ask Dr. Math
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Quiz on Polynomials, Factoring, and Exponential Expressions
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SOS Math
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