Problem calculating an expression with roots

[parisse]

(01-31-2015 11:08 PM)Tim Wessman Wrote:  So then how does one go from the the "impressive" rootof to a human readable result?

There is no general way to do that, i.e. you must guess that a^12 has a simpler form, the CAS tries only equation of order 2 (and maybe bisquare equations). The goal is not to have something readable by a human, but have a normal form where the computer can determine if something is 0 or not.
Anyway, I have an improvement for regroup for these kind of specific expressions with only * / ^.