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Multiplying and Dividing Rational Expressions - Problem 5

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

To multiply rational expressions when the tops and bottoms are all monomials, we'll be using the rules of exponents: multiply the constants, but add the exponents on terms that are the same base. You have a choice of simplifying each fraction before you start, or multiplying and then simplifying the result at the end. The domain restrictions are any values of variables that would make the denominators equal zero.

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