Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Review: 111


Area of square = $(9{x^2} - 6x +1 ){m^2}$, where ${m^2}$ is meters squared (units of area).

Work Step by Step

Area of square = $({Side^2})$ Here, side = (3x -1) meters. ${(3x-1)^2} $ = ${(3x)^2} + 2(3x)(-1) + ({-1^2})$ = $9{x^2} - 6x +1$ Hence the area = $(9{x^2} - 6x +1 ){m^2}$, where ${m^2}$ is meters squared (units of area).
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