Elementary Technical Mathematics

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

Chapter 10 - Section 10.5 - Finding Factors of Special Products - Exercise - Page 354: 31



Work Step by Step

This is a perfect square trinomial, and hence $$ m^2+22m+121=(m+11)(m+11) .$$ One can check as follows $$ (m+11)(m+11)=m^2+11m+11m+121=m^2+22m+121 .$$
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