Khan Academy: Algebra: Multiplying Polynomials 3

Sal completes a practice problem to reinforce and apply the concepts learned in previous Khan videos on multiplying polynomials. This would be a great practice problem to do with your students.

Video demonstrates how to use the distributive property to multiply a binomial and a trinomial. Also shows how to multiply using a vertical format. Practice problems available. [5:46]

Video demonstrates how to use the FOIL method to multiply two binomials and shows that it is the same as just applying the distributive property. Practice problems available. [4:32]

Video demonstrates how to identify the greatest common factor of a polynomial and use it to factor a given binomial. [5:28]

Video demonstrates how to use polynomial multiplication to write a polynomial expression that represents the total area of a glass door. The problem requires multiplication of binomials. [4:48]

Video showing how to multiply three numbers written in scientific notation. [7:35]

Video demonstrates how to use the distributive property to multiply a monomial with a polynomial. [2:43]

Video lesson involving multiplying two rational expressions, simplifying the result and then stating the domain of the expression. [3:38]

Video shows examples of multiplying and dividing rational expressions. Includes adding restrictions to the simplified answer. [9:19]

Video lesson on multiplying rational expressions and simplifying the result by factoring the difference of squares. Includes stating the domain of the expression. [4:52]