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Unformatted text preview: ) ( ) ( ) )( ( n m m n m m n m n m n m n m +Multiplying Rational Expressions Example: MartinGay, Beginning Algebra, 5ed 6 Dividing rational expressions when P, Q, R, and S are polynomials with Q ≠ 0, S ≠ 0 and R ≠ 0. QR PS R S Q P S R Q P = ⋅ = ÷ Dividing Rational Expressions MartinGay, Beginning Algebra, 5ed 7 When dividing rational expressions, first change the division into a multiplication problem, where you use the reciprocal of the divisor as the second factor. Then treat it as a multiplication problem (factor, multiply, simplify). Dividing Rational Expressions MartinGay, Beginning Algebra, 5ed 8 Divide the following rational expression. = + ÷ + 25 15 5 5 ) 3 ( 2 x x = + ⋅ + 15 5 25 5 ) 3 ( 2 x x = + ⋅ ⋅ ⋅ + + ) 3 ( 5 5 5 5 ) 3 )( 3 ( x x x 3 + x Dividing Rational Expressions Example:...
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 Spring '09
 prescott
 Algebra, Polynomials, Rational Expressions, Division, Fraction, Elementary arithmetic, Greatest common divisor

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