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Re: factoring

In[1]:= Factor[x y - x z + y^2 - y z]

Out[1]= (x + y) (y - z)

You need to put a space between x and y (or a times sign). xy is the variable with the name 'xy', and not x * y.


On Dec 30, 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!

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