Re: express a quadratic, in the form (x+a)^2 + b
- To: mathgroup at smc.vnet.net
- Subject: [mg84358] Re: [mg84313] express a quadratic, in the form (x+a)^2 + b
- From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
- Date: Thu, 20 Dec 2007 00:06:48 -0500 (EST)
- References: <200712190907.EAA13472@smc.vnet.net>
There are several easy ways. One of them is:
(x + a)^2 + b /. First[SolveAlways[
x^2 + 4*x + 7 == (x + a)^2 + b, x]]
(x + 2)^2 + 3
On 19 Dec 2007, at 18:07, Joseph Fagan wrote:
> 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
>
>
>
- References:
- express a quadratic, in the form (x+a)^2 + b
- From: "Joseph Fagan" <noemailplease@nowhere.ru>
- express a quadratic, in the form (x+a)^2 + b