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 - 8-7 Factoring Special Cases - Practice and Problem-Solving Exercises - Page 526: 14



Work Step by Step

$p^{2}-4p+4=$ ...write the last term as a square. $=p^{2}-4p+2^{2}$ ...does middle term equal $2ab$? $4p=2(p)(2)$ $=p^{2}-2(p)(2)+2^{2}$ ...write as the square of a binomial. $=(p-2)^{2}$
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