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 - 8-4 Multiplying Soecial Cases - Got It? - Page 505: 1


a. $n^{2}-14n+49$ b. $4x^{2}+36x+81$

Work Step by Step

a. $(n-7)^{2}$ ...square the binomial. $=n^{2}-2n(7)+7^{2}$ ...simplify. $=n^{2}-14n+49$ b. $(2x+9)^{2}$ ...square the binomial. $=(2x)^{2}+2(2x)(9)+9^{2}$ ...simplify. $=4x^{2}+36x+81$
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