document.write( "Question 953517: Hi, I would really like help on how to do this question step by step. The question is about adding rational expressions in fractions. I have learned it before but have forgot some of it. The equation is x+1/x-1 - x-1/x+1. (The slash is the horizontal bar that divides the numerator and denominator) Thanks so much in advance. \n" ); document.write( "
Algebra.Com's Answer #582351 by MathTherapy(10553)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi, I would really like help on how to do this question step by step. The question is about adding rational expressions in fractions. I have learned it before but have forgot some of it. The equation is x+1/x-1 - x-1/x+1. (The slash is the horizontal bar that divides the numerator and denominator) Thanks so much in advance.
\n" ); document.write( "
If \"%28x+%2B+1%29%2F%28x+-+1%29+-+%28%28x+-+1%29%29%2F%28x+%2B+1%29\", then: 
\n" ); document.write( "\"%28%28x+%2B+1%29%28x+%2B+1%29+-+%28x+-+1%29%28x+-+1%29%29%2F%28x+-+1%29%28x+%2B+1%29\" --------- Multiplying by LCD, (x - 1)(x + 1)
\n" ); document.write( "\"%28%28x%5E2+%2B+2x+%2B+1%29+-+%28x%5E2+-+2x+%2B+1%29%29%2F%28x+-+1%29%28x+%2B+1%29\"
\n" ); document.write( "\"%28x%5E2+%2B+2x+%2B+1+-+x%5E2+%2B+2x+-+1%29%2F%28x+-+1%29%28x+%2B+1%29\"
\n" ); document.write( "\"%28x%5E2+-+x%5E2+%2B+2x+%2B+2x+%2B+1+-+1%29%2F%28x+-+1%29%28x+%2B+1%29\"
\n" ); document.write( "\"highlight_green%284x%2F%28x+-+1%29%28x+%2B+1%29%29\" \n" ); document.write( "
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