Difference of Squares

Pronunciation: /ˈdɪ.frəns ʌv skwɛərz/ Explain

A difference of squares is a two variable expression in the form a2 - b2. A difference of squares is used to expand the expression: a2 - b2 = (a + b)(a - b).


  1. McAdams, David E.. All Math Words Dictionary, difference of squares. 2nd Classroom edition 20150108-4799968. pg 60. Life is a Story Problem LLC. January 8, 2015. Buy the book
  2. Bettinger, Alvin K. and Englund, John A.. Algebra and Trigonometry. pg 28. www.archive.org. International Textbook Company. January 1963. Last Accessed 7/3/2018. http://www.archive.org/stream/algebraandtrigon033520mbp#page/n18/mode/1up. Buy the book

Cite this article as:

McAdams, David E. Difference of Squares. 4/19/2019. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/d/differenceofsquares.html.

Revision History

4/19/2019: Updated equations and expressions to the new format (McAdams, David E.)
12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
7/4/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (McAdams, David E.)
5/5/2011: Initial version. (McAdams, David E.)

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