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: 27



Work Step by Step

This is a perfect square trinomial, and hence $$ y^2-10y+25=(y-5)(y-5) .$$ One can check as follows $$ (y-5)(y-5)=y62-5y-5y+25=y^2-10y+25 .$$
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