Answer
$x^{2}+11x+18$
Work Step by Step
$(x+2)(x+9)=x(x+9)+2(x+9)=(x)(x)+(x)(9)+(2)(x)+(2)(9)=x^{2}+9x+2x+18=x^{2}+11x+18$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.5 - Multiplying Polynomials - Exercise Set - Page 379: 32
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