SOLUTION: Hi, I don't understand why this is the answer: 2/(x^-1) times by (x+1)/2 = 1/(x-1) Could you please have a step-by-step clear explanation? Thank you very much in advance! :)

Question 1017813: Hi, I don't understand why this is the answer:
2/(x^-1) times by (x+1)/2 = 1/(x-1)
Could you please have a step-by-step clear explanation? Thank you very much in advance! :)
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!

That's not the answer!



Cancel the 2's:





A exponential factor in a denominator can be 
moved to becoming a factor of the numerator by 
changing the sign of the exponent (or vice versa):



or



Edwin

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