Brightstorm is like having a personal tutor for every subject

See what all the buzz is about

Check it out
Don't Stop Learning Now!

Gain access to 3,500 HD videos.

Convince me!

Watch 1 minute preview of this video


Get Immediate Access with 1 week FREE trial
Your video will begin after this quick intro to Brightstorm.

Simplifying Rational Functions with Factoring and GCFs - Problem 12 209 views

You have been practicing factoring top and bottom of a fraction and crossing out common factors to simplify a rational expression. What happens if the entire top (or bottom) gets crossed out?? You need to replace it with 1. This is particularly important if your numerator crosses out entirely- you need to make sure there is a one on top of whatever is left to show that it is still in the bottom of a fraction.

Transcript Coming Soon!