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express a quadratic, in the form (x+a)^2 + b

• To: mathgroup at smc.vnet.net
• Subject: [mg84313] express a quadratic, in the form (x+a)^2 + b
• From: "Joseph Fagan" <noemailplease at nowhere.ru>
• Date: Wed, 19 Dec 2007 04:07:25 -0500 (EST)

I'm a Mathematica beginner.
I wish to express a quadratic, in the form (x+a)^2 + b
eg to express x^2 + 4x + 7 as (x+2)^2 + 3
Is there an easy way?
Thanks
Joe

• Follow-Ups:
  • Re: express a quadratic, in the form (x+a)^2 + b
    • From: Andrzej Kozlowski <akoz@mimuw.edu.pl>