If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Expanding binomials w/o Pascal's triangle

Sal gives a "trick" for expanding large powers of binomials, without using Pascal's triangle. Created by Sal Khan.

Video transcript