# Multiplying and dividing rational expressions

3 videos
3 skills
Learn how to multiply and divide rational expressions. You will be surprised to see how similar it is to multiplying and dividing fractions!

### Multiply and divide rational expressions with monomial numerators and denominators

PRACTICE PROBLEMS
Multiply or divide rational expressions whose numerators and denominators are monomials, and simplify the result.

### How to multiply rational expressions with polynomial numerators and denominators (example)

VIDEO 4:52 minutes
Sal performs the following multiplication and simplifies the result: (a^2-4)/(a^2-1) X (a+1)/(a+2).

### How to divide rational expressions with polynomial numerators and denominators (example)

VIDEO 4:10 minutes
Sal performs the following division and simplifies the result: (2p+6)/(p+5) ➗ (10)/(4p+20).

### Multiply and divide rational expressions with polynomial numerators and denominators

PRACTICE PROBLEMS
Multiply or divide rational expressions whose numerators and denominators are polynomials, and simplify the result.

### How to multiply rational expressions with multiple variables (example)

VIDEO 3:38 minutes
Sal performs the following multiplication and simplifies the result: (3x^2y)/(2ab) X (14a^2b)/(18xy^2).

### Multiply and divide advanced rational expressions

PRACTICE PROBLEMS
Multiply or divide rational expressions whose numerators and denominators are high-order polynomials, or two-variable polynomials, and simplify the result.