Instructional Video4:45
Khan Academy

Polynomial Divided by Monomial, Polynomial and Rational Functions, Algebra I

9th - 11th
Let's think about how a person could simplify an expression where a polynomial is divided by a monomial. Sal shares three different modes he could use to simplify, then uses each way to solve the same problem.
Instructional Video3:20
Khan Academy

Dividing Polynomials 1, Polynomial and Rational Functions, Algebra II

9th - 11th
Divide two polynomial expressions by writing the problem as a fraction or as long division. Sal shows how to use long division to divide polynomials. A solid understanding of polynomial operations is necessary to grasp this video.