Factor Difference of Squares

Videos, worksheets, solutions, and activities to help Algebra 1 students learn how to factor the difference of squares.

What is Difference of Two Squares?
A binomial in the form a² - b² is called the difference of two squares.

How to factor a Difference of Two Squares?
a² - b² = (a + b)(a - b)

Factor the Difference of Two Squares
This math lesson covers how to factor the difference of two squares by recognizing the pattern a² - b² = (a + b)(a - b). A simple example is provided. A second, extended example includes a multi-step factoring problem.
Example 1: Factor 4x² - 9y²
Example 2: Factor 5x³ - 45x

Difference of Two Squares
Students learn that a binomial in the form a² - b² is called the difference of two squares, and can be factored as (a + b)(a - b).
Example: x² - 144

Factoring Difference of Squares
Factor:
x² - 25
16a² - 81
5r² - 20

• Show Step-by-step Solutions

Factoring difference of squares
Factor:
x² - 49
a² - 64
4c² - 16
25m² - 36

• Show Step-by-step Solutions

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