Expanding Three Brackets

Corbettmaths - This video explains how to expand three sets of brackets. Useful for AS and A-Level Mathematics.

Exam Questions: http://corbettmaths.com/wp-content/uploads/2013/02/expanding-three-brackets-pdf.pdf

Exam Answers: https://corbettmaths.com/wp-content/uploads/2015/03/expanding-three-brackets.pdf