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

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 5 - Polynomials and Factoring - 5.5 Factoring Sums or Differences of Cubes - 5.5 Exercise Set: 4

Answer

none of these

Work Step by Step

The given expression, $ 9x^2+15 ,$ is neither a sum nor a difference of cubes since the terms are not perfect cubes. The expression is not a difference of squares because the coefficients of the terms are the same. Hence, among the choices, it is $\text{ none of these }.$
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