# Chapter 5 - Polynomials and Factoring - 5.6 Factoring: A General Strategy - 5.6 Exercise Set - Page 344: 48

prime

#### Work Step by Step

There are no two numbers whose product is $ac= 1(-6)=-6$ and whose sum is $b= -7$ Hence, the given expression, $a^2-7a-6 ,$ is prime.

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