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Wyzant
Wyzant: Factoring a Difference Between Two Squares Lessons
Several examples are presented to demonstrate how to factor a polynomial that is a difference of two squares. The online worksheet helps for extra practice.
Oswego City School District
Regents Exam Prep Center: Factoring the Difference of Two Perfect Squares
Use this site to learn the trick to factoring when the polynomial is a difference of two perfect squares. The site contains examples that are easy to follow.
Discovery Education
Discovery Education: Web Math: Factor Polynomial by Rewriting It as the Difference Between Two Squares
This WebMath site includes an interactive problem solver. Use it to factor a polynomial that is the difference between two perfect squares. The website will bring back a full explanation behind the answer.
Purple Math
Purplemath: Special Factoring: Differences of Squares
Demonstrates how to use the formula for finding the differences of squares, and warns against trying to factor a sum of squares.
Wyzant
Wyzant: Factoring Completely
The resource examines the algebra topic of solving equations. Students view the tutorial to review how to solve by factoring. The lesson consists of the greatest common factor, difference between two squares, and trinomial techniques. An...