That expression can not be simplified.  Through Algebrator's desktop software there are quite a few tailored solutions for unique situations.  Your expression is well-suited for the Polynomial wizard titled "Long division".  Note that a remainder is solved through that entry. 

To help you clearly understand our desktop software and how appropriate it may be for your needs, please use one of the following links to obtain a free trial of the program:

Windows: http://www.softmath.com/tr/alg51win-tr-en.exe

Mac: http://www.softmath.com/tr/alg51mac-tr-en.dmg