Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 10 - Section 10.4 - Special Products - Exercise: 32

Answer

$m^2-9$

Work Step by Step

RECALL: $(a-b)(a+b)=a^2-b^2$ Use the formula above to have: $(m-3)(m+3) \\=m^2-3^2 \\=m^2-9$
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