4.5-6 ComplexFractions,Equations

4.5-6 ComplexFractions,Equations - 4.5 Complex Fractions A...

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4.5: Complex Fractions A complex fraction is a rational expression that has fractions in the numerator and/or the denominator. The expression in the numerator is divided by the expression in the denominator. Two methods for simplifying : For Method , simplify the numerator and denominator individually; then divide. For Method B , multiply the numerator and denominator by the LCD of all the fractions; then divide. Solve: 1. 2 1 5 9 3 1 2 3 5 15 x x - - + + or 2 1 5 9 3 1 2 3 5 15 x x - - + + 2. 2 1 3 m n m n - - 3. 2 2 2 4 1 4 2 x x y x xy - - 4. 1 3 9 2 6 9 x x x x x x - - - - - - 5 . m -1 – 5a -1 6 . 2 2 1 x x x - - - - 7. x x x 2 2 4 9 12 4 9 - - +
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4 -6: Rational Equations To solve equations containing rational expressions (denominators), first clear
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4.5-6 ComplexFractions,Equations - 4.5 Complex Fractions A...

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