Factoring Differences of Squares
6478 views
|
2
ratings
Lesson Summary:
In this lesson, students learn how to factor difference of square polynomials using algebra tiles and the formula a² - b² = (a + b)(a - b). The lesson also includes practice problems for factoring trinomials and perfect squares. Additionally, the instructor shares a mental math trick for multiplying large numbers using the difference of squares formula. Recognizing the difference of squares can simplify factoring and make the process much quicker.
Lesson Description:
Factoring difference of square polynomials, including a way to multiply large numbers with mental math. Also, more factoring trinomial practice.
Additional Resources:
- Factoring Difference of Squares HW - Homework with answers dealing with factoring differences of squares.
- Lesson Slides - Slides that are written on from the lesson.
Questions answered by this video:
- How do you factor a difference of squares?
- What is a difference of squares?
-
Staff Review
A good explanation of how to factor a difference of squares, including several special case examples. In case you confuse methods for factoring different polynomials, this has some trinomials mixed in as well. A well-taught lesson with a good homework assignment added in. -
