SOLUTION: 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

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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.
Found 2 solutions by addingup, MathTherapy:
Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
The result is 0 (zero) because the elements in this expression cancel each other.
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

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. 
If , then: 

 --------- Multiplying by LCD, (x - 1)(x + 1)







 

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