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Re: factoring

• To: mathgroup at smc.vnet.net
• Subject: [mg115213] Re: factoring
• From: "W. Craig Carter" <ccarter at mit.edu>
• Date: Tue, 4 Jan 2011 04:27:15 -0500 (EST)

Hello,
I believe you used a variable like xy when you probably meant x y
Factor[x y -  x z + y^2 - y z]
gives the result that you want.

W. Craig Carter
ccarter at mit.edu

On 30 Dec,   2010, at 4:09 AM, r_poetic wrote:

> Hello,
> an easy question:
> 
> why does Factor[xy-xz+y^2-yz] fail to return (x+y)(y-z), and what
> command would do that?
> 
> Thanks!
> 
>