Home > CCA2 > Chapter 10 > Lesson 10.2.2 > Problem10-122

10-122.

1. Factor $f(x) = x^3 - 5x^2 + 11x - 15$
There are $2$ factors. $(x - 3)$ is one factor. Use long division to find the other factor.
1. Solve $f(x) = 0$
This is a $3$rd degree polynomial function, so find $3$ answers. One of the answers is $x = 1 + 2i$.