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: 13



Work Step by Step

$(x+2)(x+9)=$ $...$distribute the second factor, $(x+9)$. $=x(x+9)+2(x+9)$ ...distribute $x$. $=x^{2}+9x+2(x+9)$ ...distribute $2$. $=x^{2}+9x+2x+18$ ...gather like terms. =$x^{2}+11x+18$
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