March 2nd, 2010, 09:33 AM  #1 
Newbie Joined: Mar 2010 Posts: 1 Thanks: 0  stumped
0 = 3x^2  x

March 2nd, 2010, 10:20 AM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,963 Thanks: 1148 Math Focus: Elementary mathematics and beyond  Re: stumped
One solution is x = 0. If x is not zero then 0 = 3x^2  x x = 3x^2 1 = 3x x = 1/3. 
March 2nd, 2010, 10:39 AM  #3  
Member Joined: Nov 2009 Posts: 67 Thanks: 0  Re: stumped Quote:
Another way to approach this exercise is to factor the quadratic side of the equation. Now, recalling the 'zero product property': If ab = 0, then a = 0 or b = 0.  

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