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 - Chapter Review - Page 538: 59



Work Step by Step

$s^{2}-20s+100=$ ...write last term as a square. $=s^{2}-20s+10^{2}$ ...does middle term equal $2ab$? $-20s=-2(s)(10)$ yes, $=s^{2}-2(s)(10)+10^{2}$ ...write as the square of a binomial. $=(s-10)^{2}$
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