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October 6th, 2009, 07:55 AM  #1 
Newbie Joined: Oct 2009 Posts: 1 Thanks: 0  Algebra 2 problem
Find the sum of the solution xsquared + x=6 Please explain the process of solving for the sum of the solution. Thank you very much. 
October 6th, 2009, 08:31 AM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,958 Thanks: 1146 Math Focus: Elementary mathematics and beyond  Re: Algebra 2 problem
Hint: factorise x² + x  6, then set the result equal to zero.

October 6th, 2009, 09:33 AM  #3 
Senior Member Joined: Mar 2007 Posts: 428 Thanks: 0  Re: Algebra 2 problem
You also have your textbook and classroom notes, and Google [quadratic equations] for reference and many examples.

October 6th, 2009, 02:26 PM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,926 Thanks: 2205 
For any equation of the form ax² + bx + c = 0, where a ? 0, the sum of the roots is b/a, which is 1 for your problem. Similarly, the product of the roots is c/a, but you weren't asked for that.

October 6th, 2009, 03:02 PM  #5  
Senior Member Joined: Mar 2007 Posts: 428 Thanks: 0  Re: Quote:
 

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