January 24, 2013 Lesson 7.2 Multiplying and Dividing Rational Expressions Multiplying Rational Expressions 1. Factor each numerator and denominator completely. 2. Divide out any numerator factor with any matching denominator factor. 3. Simplify as needed. Simplify 1 January 24, 2013 Simplify Now try (3x+5)(x-1) (x-2)(x-3) (x+1)(x-5) • (3x+1)(x-1) 2 January 24, 2013 3 January 24, 2013 Dividing Rational Expressions Simplify What value for x must be ruled out? 4 January 24, 2013 Dividing Rational Expressions 1. Write an equivalent multiplication statement with the reciprocal of the divisor. 2. Factor each numerator and denominator completely. 3. Divide out any numerator factor with any matching denominator factor. 4. Simplify as needed. Divide 5
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