### Home > A2C > Chapter 10 > Lesson 10.1.1 > Problem 10-12

10-12.

What is the probability that *x*^{2} + 7*x* + *k* is factorable if 0 ≤ *k* ≤ 20 and *k* is an integer? Homework Help ✎

First list all of the values of *k* for which the expression is factorable.

*x*^{2} + 7*x* + *k* is factorable for *k* = 0, 6, 10, 12.