Chapter 5 - Polynomials and Factoring - 5.2 Factoring Trinomials of the Type x2+bx+c - 5.2 Exercise Set - Page 317: 9

$$ \ \text{Positive} \\ $$

In order to solve this problem, we must recall that a negative times a negative is a positive while a negative times a positive is a negative. Using this, we find that the blank should be: $$ \ \text{Positive} \\ $$