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July 10th, 2012, 07:42 PM  #1 
Newbie Joined: Jun 2012 Posts: 20 Thanks: 0  Factoring Polynomials
I have 6x2  4x6 both over the same denominator x^2+1x2 First thing I did was distribute the negative so I have 6x24x+6 now combining like terms = 2x+4 over the denominator x^2+1x2 Factoring the denominator (x+2) (x1) my solution was 2x+4 over (x+2) (x1) but I got it wrong. I can't seem to see what I did wrong. Help appreciated! 
July 10th, 2012, 07:45 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 463 Math Focus: Calculus/ODEs  Re: Factoring Polynomials
Factor the numerator and divide out factors common to the numerator and denominator.

July 10th, 2012, 07:49 PM  #3 
Newbie Joined: Jun 2012 Posts: 20 Thanks: 0  Re: Factoring Polynomials
Oh man, I can't believe I didn't see that. Thanks.

July 10th, 2012, 08:53 PM  #4 
Newbie Joined: Jun 2012 Posts: 20 Thanks: 0  Re: Factoring Polynomials
7/y^2 + 6/5y  5/6y Finding a common denominator I came up with 30y but that y^2 throws me off, I'm not sure on how to proceed 
July 10th, 2012, 08:59 PM  #5 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,155 Thanks: 463 Math Focus: Calculus/ODEs  Re: Factoring Polynomials
Your lowest common denominator is .


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