Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-8 Factoring by Grouping - Practice and Problem-Solving Exercises - Page 532: 32



Work Step by Step

$60y^{4}-300y^{3}-42y^{2}+210y=$ ...factor out the GCF. $=6y(10y^{3}-50y^{2}-7y+35)$ ...factor by grouping. $=6y[10y^{2}(y-5)-7(y-5)]$ ...factor again. $=6y(10y^{2}-7)(y-5)$
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