Simplify x+1/x-1 -x-1/x+1 +4/x²-1
1 answer:
Answer:
4-x^2/x^2
Step-by-step explanation:
x+1/x -1 - x - 1/x + 1 + 4/x^2 - 1
1/x - 1 - 1/x + 1 + 4/x^2 - 1
-1 + 1 + 4/x^2 - 1
4/x^2 - 1
4 - x^2/x^2
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