Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Practice and Problem-Solving Exercises - Page 51: 73



Work Step by Step

To find the area of a rectangle, we multiply the length and the width, giving us 7(5n-9). The distributive property allows us to distribute anything multiplied by something inside of the parentheses to whatever is inside of the parentheses. Thus, we distribute the 7 to everything inside the parentheses, giving us the expression 35n-63.
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