Explanation Given: A complex fraction 3 x − 1 + ( 2 y ) − 1 x − 2 Concept Used: A rational Expression whose numerator, denominator, or both contains one or more rational expressions is called a complex rational expression or a complex fraction. Simplifying a Complex Fraction: If an expression contains negative exponents, write the expression as an equivalent expression with positive exponents. Step 1: Convert the negative exponents to positive exponent. Step 2: Multiply the numerator and the denominator of the complex fraction by the LCD of the fractions in both the numerator and the denominator. Step 3: Simplify Numerator and Denominator separately. Rule for negative to positive exponent: x − 1 = 1 x ; x − m = 1 x m a ⋅ x − 1 = a x ; a ⋅ x − m = a x m ( a ⋅ x ) − 1 = 1 a ⋅ x ; ( a ⋅ x ) − m = 1 a m ⋅ x m Calculation: Simplifying a Complex Fraction: Step 1: Using the rule: x − 1 = 1 x and a ⋅ x − 1 = a x & ( a ⋅ x ) − 1 = 1 a ⋅ x convert the negative exponents to positive exponent. Rewrite the expression with positive expression: 3 x − 1 + ( 2 y ) − 1 x − 2 = 3 x + 1 2 y 1 x 2 Step 2: LCD of Numerator 3 x + 1 2 y and Denominator 1 x 2 is ‘ x 2 y ‘ Multiply both the numerator 3 x + 1 2 y and the denominator 1 x 2 of the complex fraction by the LCD ‘ x 2 y ’ of the fraction

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ISBN: 9780321978929

Author: Martin-Gay

Publisher: PEARSON

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Chapter 14.7, Problem 43ES

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Simplify the complex fraction 3x−1+(2y)−1x−2

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Chapter 14.7, Problem 42ES

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Simplify the complex fraction 3 x − 1 + ( 2 y ) − 1 x − 2

Solution Summary: The author explains how to simplify a complex tion by multiplying the numerator and denominator by the LCD of the tions.

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Simplify the complex fraction 3x−1+(2y)−1x−2

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