## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 4 - Polynomials - 4.7 Polynomials in Several Variables - 4.7 Exercise Set - Page 283: 7

#### Answer

(b) the product of the sum and difference of the same two terms

#### Work Step by Step

RECALL: (1) $(a+b)^2$ is a square of a binomial (2) $(a-b)(a+b)$ is the product of the sum and difference of the same two terms The given expression can be written as: $=(5a+6b)(5a-6b)$ The expression above is in the same form as the one in part (2) above. Thus, the given expression is the product of the sum and difference of the same two terms.

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.