On Thu, Jun 28, 2007 at 10:11:49AM -0500, Thomas Widlar wrote: > Is there a function that will factor out a from an expression with > f(x) and g(x) arbitrary functions? > > > a*f(x) + a*b*g(x) --> a*( f(x) + b*g(x) ) Try "factor" -- Daniel Lakeland dlakelan at street-artists.org http://www.street-artists.org/~dlakelan