Learn how to simplify a trigonometric expression by factoring by grouping

The video tutorial covers various factoring techniques, including factoring by the greatest common factor (GCF), factoring trinomials, and special cases like the difference of squares and grouping. The instructor provides examples and explains how to apply these techniques to different polynomial expressions, emphasizing the importance of identifying the correct method based on the number of terms and their properties.

What do you do when you have four terms in a polynomial?

What is the significance of the GCF in factoring?

How can you check your answer when factoring by GCF?