How to: For multiplying rational expressions, you must simplify the numbers and exponents. Then, multiply across for your final answer.
Methods: Method 1- Divide by the common factors after multiplying. Method 2- Divide by the common factors before multiplying. Remember, you can cross cancel.
Multiplying Rational Expressions
By: Jaime Eisenberg & Marykate O'Neill
How to: For multiplying rational expressions, you must simplify the numbers and exponents. Then, multiply across for your final answer.
Methods:
Method 1- Divide by the common factors after multiplying.
Method 2- Divide by the common factors before multiplying. Remember, you can cross cancel.
For extra help and more practice problems, please visit this website:
http://www.purplemath.com/modules/rtnlmult.htm
VIDEO!
http://www.pascack.k12.nj.us/cms/lib5/NJ01000238/Centricity/Domain/100/Eisenberg%20Oneill.mov