College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Review Exercises - Page 75: 43



Work Step by Step

$\bf{\text{Solution Outline:}}$ Use the order of operations (PEMDAS - Parenthesis, Exponents, Multiplication/Division, Addition/Subtraction) to simplify the given expression, $ (-4-1)(-3-5)-2^3 .$ $\bf{\text{Solution Details:}}$ Simplifying the expression/s in parenthesis, the entire expression above becomes \begin{array}{l}\require{cancel} (-5)(-8)-2^3 .\end{array} Simplifying the exponents, the expression above becomes \begin{array}{l}\require{cancel} (-5)(-8)-8 .\end{array} Simplifying the product/quotient, the expression above becomes \begin{array}{l}\require{cancel} 40-8 .\end{array} Simplifying the sum/difference, the expression above becomes \begin{array}{l}\require{cancel} 32 .\end{array}
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