## Elementary Algebra

Published by Cengage Learning

# Chapter 2 - Real Numbers - 2.1 - Rational Numbers: Multiplication and Division - Problem Set 2.1 - Page 48: 21

#### Answer

$\dfrac{8z}{7x}$

#### Work Step by Step

Cancelling the common factor between the numerator and the denominator, the given expression, $\dfrac{-56yz}{-49xy} ,$ simplifies to \begin{array}{l}\require{cancel} \dfrac{\cancel{-7y}\cdot8z}{\cancel{-7y}\cdot7x} \\\\= \dfrac{8z}{7x} \end{array}

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