Lesson: Sometimes you have to factor our a common factor before you can simplify further.
Practice: Try some of the problems below for practice (Remember to check your work as you go! All answers can be found at the end of each document. Also, only do as many problems as you need untill you feel comfortable... then take the Check Point!)
Extra Help: Not getting the problems correct? Try watching some of these videos for some common mistakes and alternative methods.
Check Point: Ready for the next challenge? Try this check point first!