A helpful scientific calculator that runs in your web browser window.
Holt Online Learning
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In this video, Salman Khan of Khan Academy explains completing the square.
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.
Khan Academy
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Interactive Worksheets for practicing factoring of trinomials
AlgebraHelp.com
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Some worked example problems that point out many common errors students make when solving them.
Pauls Online Math Notes
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Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.
Paul's Online Math Notes
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Quiz on Polynomials, Factoring, and Exponential Expressions
SOS Math
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How to find zeroes of polynomials, using the "Rational Roots Theorem" and synthetic division. Written description with examples.
Paul's Online Math Notes
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The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ....
SOS math
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In this Early Edge video lesson, you'll learn more about Simplifying Polynomials, so you can be successful when you take on high-school Math & Algebra.
The Princeton Review
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