Lessons 9.7 and 9.8

 

Lesson 9.7 part 2

 

Factor the difference of two squares... http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-282s.html

 

Lesson 9.8

Factoring by Grouping

Factoring a four-term polynomial by grouping

Factoring a trinomial by grouping good video http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-284s.html 

Using factoring of trinomials in real-world situations

Link to three videos... http://phschool.com/webcodes10/index.cfm?fuseaction=home.gotoWebCode&wcprefix=ate&wcsuffix=0908