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September 19th, 2011, 01:24 PM  #1 
Newbie Joined: Sep 2011 Posts: 13 Thanks: 0  solve a quadratic equation
I have this equation, ax^2(2a+1)x+(a+1)=0 (a>0) should I combine 2a+1 and a+1 then distribute the x? Or if I don't do that, what do I do with the a by itself? 
September 19th, 2011, 01:54 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,209 Thanks: 517 Math Focus: Calculus/ODEs  Re: solve a quadratic equation
We are given: where . I would just use the quadratic formula: Thus: Now (observing 1 is a root), we could have factored: Think about what is implied about the roots when the constant a changes in size... 

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