Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Review: 112

Answer

Area of rectangle =$(5{x^2} - 3x - 2)$${miles^2}$

Work Step by Step

Area of rectangle = (length) (width) Given: Length = (5x + 2) miles Width = (x - 1) miles Hence area = (5x + 2)(x - 1) ${miles^2}$ = [5x(x) + 5x(-1) + 2(x) + 2(-1)]${miles^2}$ =$(5{x^2} - 5x + 2x - 2$)${miles^2}$ =$(5{x^2} - 3x - 2)$${miles^2}$
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