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 - Mid-Chapter Quiz - Page 510: 18



Work Step by Step

$(r+3)^{2}=$ ...square the binomial. $=r^{2}+2(r)(3)+3^{2}$ ...simplify. =$r^{2}+6r+9$
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