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Section 9-3a Multiplying and Dividing Rational Expressions

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Def: A rational algebraic expression can be expressed as the quotient of two polynomials where the denominator can never be zero To simplify we divide both the numerator and the Denominator by the greatest common factor Examples:

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1.) Simplify: Cancel; common factors

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2.) Simplify: Factor then cancel

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3.) Multiply: Cancel where you can Then, multiply numerator to Numerator and denominator To denominator

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4.) multiply:

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5.) Divide: When dividing fractions, Multiply by the reciprocal Answers should be in Descending alphabetical order

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6.) Simplify:

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Homework Page 566 Problems: 17-31 all

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