Factoring trinomials #2 difference of two squares

The video tutorial explains how to factor expressions with two terms, focusing on the difference of two squares method. It begins with identifying common factors and then introduces the difference of two squares formula. The tutorial demonstrates how to apply this formula to specific terms and verifies the results using the FOIL technique. The lesson concludes with a reminder to look for square terms and differences when factoring.

Why is it important to check your work using the FOIL technique after factoring?

What are the steps to factor the expression 9M^2 - 16?