### Home > A2C > Chapter 11 > Lesson 11.2.6 > Problem 11-123

11-123.

After graphing *y = *12*x*^{3} + 55*x*^{2} − 27*x* − 10 on a graphing calculator you can easily see that one *x*-intercept is (−5, 0). Use this information to find all of the *x*-intercepts. Homework Help ✎

This means that (*x* + 5) is a root, so you can divide: