化简[x-1-(8/x+1)]/(x+3)/(x+1)

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化简[x-1-(8/x+1)]/(x+3)/(x+1)化简[x-1-(8/x+1)]/(x+3)/(x+1)化简[x-1-(8/x+1)]/(x+3)/(x+1)[x-1-(8/x+1)]/(x+3)

化简[x-1-(8/x+1)]/(x+3)/(x+1)
化简[x-1-(8/x+1)]/(x+3)/(x+1)

化简[x-1-(8/x+1)]/(x+3)/(x+1)
[x-1-(8/x+1)]/(x+3)/(x+1)
=[(x-3)(x+3)/(x+1)]/(x+3)/(x+1)
=x-3

X+3