## Intermediate Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 5 - Section 5.2 - Multiplication of Polynomials - Exercise Set - Page 337: 5

#### Answer

$-6x^{2}y^{9}z^{9}$

#### Work Step by Step

RECALL: $a^m \cdot a^n = a^{m+n}$ Multiply the coefficients together then use the rule above to the variables to obtain: $=-6x^{1+1}y^{2+7}z^{5+4} \\=-6x^{2}y^{9}z^{9}$

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