Lessons 9.4 and 9.5

Video for lesson 9.4

 

Squaring a binomial. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-271s.html

 

Finding the difference of squares. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-273s.html

 

Lesson 9.5  Part 1.

 

Factoring trinomials with a positive b. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-274s.html 

 

Factoring trinomials with a negative b     http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-275s.html