How to Factor a Trinomial by UnFOILing UnFOILing is a method for factoring a trinomial into two binomials. When you multiply two binomials together, you use the FOIL method, multiplying the F irst, then the O uter, then the I nner, and finally the L ast t

Scroll down the page for examples and solutions of factoring Perfect Square Trinomials. Perfect Square Trinomials. In some cases recognizing some common patterns in the trinomial will help you to factor it faster. For example, we could check whether the t

To factor trinomials, make sure you know FOIL (First, Outside, Inside, Last) multiplication and how to factor. Write a space for the answer in FOIL form and fill in the First terms. Next, use factoring to guess at the Last terms. To factor, find two numbe