1. MTH 065 Elementary Algebra II Chapter 5 – Polynomials Section 5.6 – Special Products Copyright © 2008 by Ron Wallace, all rights reserved.

2. NOTE!  Important skills in mathematics … Categorizing types of problems. Recognizing patterns. Special cases of more general problems.  This section … 5 special products Two binomials Two “similar” binomials A sum and difference of two terms Squaring a sum Squaring a difference

3.  The “FOIL” method! F irst O utside I nside L ast Product of Two Binomials F L I O

4.  The “FOIL” method! F irst O utside I nside L ast Product of Two Similar Binomials F L I O Like Terms 1 st terms are like terms 2 nd terms are like terms

5.  The “FOIL” method! F irst O utside I nside L ast Sum & Difference of Two Terms F L I O Opposites

6.  The “FOIL” method! F irst O utside I nside L ast Squaring a Sum F L I O Same

7.  The “FOIL” method! F irst O utside I nside L ast Squaring a Difference F L I O Same

8. Summary … FOIL