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

Published by Pearson

Chapter 5 - Polynomials and Factoring - 5.4 Factoring Perfect-Square Trinomials and Differences of Squares - 5.4 Exercise Set: 8

none of these

Work Step by Step

The given expression, $-25x^2-9 ,$ is not a perfect square trinomial because it has only 2 terms. It is not a difference of squares because the signs of the first and second terms are the same. It is not a prime polynomial because it can be factored by factoring the $-1$. Hence, among the choices, it is $\text{ none of these .}$

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