# Factoring 15b - Difference of 2 Squares part 2

Taught by YourMathGal
• Currently 4.0/5 Stars.
6062 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, you will learn how to factor the difference of two squares in a more complex way. You'll also see two different approaches to factoring the same problem, which will allow you to choose the method that works best for you. You'll be able to factor problems with perfect squares and simplify within parentheses as well. By the end of the lesson, you'll be able to factor more involved problems using the difference of two squares formula.

Lesson Description:

Covers more involved factoring of difference of 2 squares.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

• How do you factor the difference of two squares?
• What is the formula for factoring the difference of squares?
• How do you factor (2x + 1)^2 - 25?
• How do you know if you are done factoring?
• What is the first step when you factor a polynomial?
• How can you factor 16 - (x - 5)^2 using the difference of two squares formula?
• Why is (x - 1)(9 - x) the same as -(x - 1)(x - 9)?
• #### Staff Review

• Currently 4.0/5 Stars.
This lesson goes into a bit more depth than the previous lesson in showing factoring a difference of squares. The examples in this lesson really help solidify the concepts of factoring. In these complex problems, two different methods are shown -- the difference of squares method is clearly easier.