somebody wrote:
> "Paul Fuller" <pgf### [at] optusnetcomau> wrote in message
> news:486f6167$1@news.povray.org...
>> Orchid XP v8 wrote:
> 
>>> For example, (A*B)^2 - 4*(A+B) = (A-B)^2. Obvious once you know, but
>>> DAMN... I've have never thought of it!
> 
>> Well that is true for some values of A an B - But probably not as many
>> as you think.
>>
>> Whereas (A+B)^2 - 4*(A+B) = (A-B)^2 is true a few more cases.
> 
> Still, not true for as many cases as
> 
> (A+B)^2 - 4*A*B = (A-B)^2
> 
> 
> 
Now we're on to something.  Give this a few more iterations and we'll be 
proving something worthwhile :)

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