Lesson 47: Factoring By Greatest Common Factor (GCF) or Grouping


Lesson on factoring expressions using their Greatest Common Factor. Expressions can be factored out with many factors. By definition of GCF, using the highest factor among the expressions is much suitable to simplify expressions. 

3:50 2x + 8
4:32 9y -- 3 
4:54 5x + 15y -- 25 
5:12 12m^2 - 5y^2 z 
5:37 144abc + 24a^2 b^3 c^5

Lesson module on factoring using GCF:http://www.numberbender.com/lesson/mo...


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