
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
September 19th, 2011, 12:24 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, 12:54 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,163 Thanks: 472 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... 

Tags 
equation, quadratic, solve 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Solve for coefficients in quadratic equation  mms  Algebra  23  February 14th, 2014 03:41 AM 
solve quadratic equation  rayman  Complex Analysis  6  October 27th, 2013 01:32 PM 
Solve quadratic equation knowing y  alexmulo  Algebra  8  August 23rd, 2012 06:45 AM 
Solve Quadratic Equation for x  pbwf  Algebra  3  September 11th, 2008 10:15 PM 
Programming TI83 calculator to Solve Quadratic Equation?  confused20  Algebra  10  March 18th, 2008 05:21 PM 