8. which of the following rational expression has -1 as simplest form
A. x+1/x-1
B. -x+1/1-x
C. 1-x/x-1
D. x-1/x-1
Answers
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Answer:
A. is correct answer..
Step-by-step explanation:
bcz when both denominator and numerator cancel than -1 is. remain.
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