If they are not preinstalled you goto Settings < Applications > Manage Applications > Select App > Uninstall but if the app is a pre installed app that was installed from factory they can not be removed....
You can visit http://community.vzw.com/t5/DROID-X-by-Motorola/Uninstalling-PreInstalled-Applications-I-will-not-Us... and read up more on the stock app situation..
Start a new topic or ask questions in the open forum.
