Math problem help please?

2015-05-07 5:29 am
Simplify

1) x + 1/ x - 1 + x^2 -1 / x + 1

2) 4x/x^2 - 1 - x + 1/x - 1

回答 (2)

2015-05-07 5:33 am
x + 1/ x - 1 + x^2 -1 / x + 1 according to PEMDAS is ) x + (1/ x) - 1 + x^2 -(1/x) + 1
Is that really the problem????

Please use some parens to help us help you...
2015-05-07 5:32 am
Is it (x + 1)/ (x - 1 )+( x^2 -1) /( x + 1 )?
if not ---> answer = x + x^2

missing a lot of ( ) in 2/


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