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Do you mean:

- x / (x2 - 1)? If so, that's as simplified as you can get.

(- x / x2) - 1? If so, that simplifies to (-1/x) - 1.

(-x/x)2 - 1? If so, that simplifies to 0.

-(x/x)2 - 1? If so, that simplifies to -2.

Or perhaps that dash in the question is actually a hyphen, in which case:

x / (x2 - 1)? If so, that's also as simplified as you can get.

(x / x2) - 1? If so, that simplifies to (1/x) - 1.

(x/x)2 - 1? If so, that simplifies to 0.

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15y ago

What else can I help you with?