𝑥 Algebra

Difference of Squares

Factor difference of squares

Updated July 2026

FAQs

What is Difference of Squares?

Difference of Squares (difference squares) is a algebra relationship written as Factor difference of squares or a² − b² = (a−b)(a+b). Students use it to solve unknowns when enough values are known.

How do you calculate Difference of Squares step by step?

Write Factor difference of squares, substitute the known numbers carefully, then simplify. Worked walkthrough: 25 − 9 = (5−3)(5+3) = 2×8 = 16.

When is Difference of Squares taught in school?

Difference of Squares usually appears in algebra units during middle or secondary school. Match difficulty with MathDigits grade worksheets so practice fits the curriculum year.

What is a real example of Difference of Squares?

On this page the worked result is 16. Generate a formula worksheet below for more unique practice sets.