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January 26th, 2012, 08:58 AM  #1 
Member Joined: Dec 2011 Posts: 44 Thanks: 0  Adding/Subtracting Rational Expression (answer check)
Here's the problem: 7x/x+1 + 8/x1  14/x^21 I'm getting 7x^2x6/(x+1)(x1) and after factoring the numerator and simplifying, I end up with 7x+6/(x+1) is this right? 
January 26th, 2012, 11:43 AM  #2  
Member Joined: Nov 2009 Posts: 67 Thanks: 0  Re: Adding/Subtracting Rational Expression (answer check) Quote:
You made a slight error with the sign of your second term. Go back and redo your first step. I think you'll find it to be .  
January 26th, 2012, 11:51 AM  #3 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: Adding/Subtracting Rational Expression (answer check) 

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adding or subtracting, answer, check, expression, rational 
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