Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Sections 1.2-1.3 - Integrated Review - Algebraic Expressions and Operations on Whole Numbers: 8

Answer

-2.97

Work Step by Step

$(1.2)^{2}-(2.1)^{2}=(1.2\times1.2)-(2.1\times2.1)=1.44-4.41=1.44+(-4.41)=-2.97$
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