**Lesson 4: More Trinomials to Factor**

**Welcome**

In this lesson, we will encounter trinomials where the leading coefficient is other than 1. To factor trinomials like these, the first thing we should always do is look for a greatest common factor. If we are lucky, the GCF will be equal to

*a*. In that case, we can simply factor out the GCF and then factor the remaining quadratic like we have in previous lessons.