Question

不等式x-1/x+3>1的解集是

Answer 1

(x-1)/(x+3)＞1

(x-1)/(x+3)-1＞0

(x-1)/(x+3)-(x+3)/(x+3)＞0

-4/(x+3)＞0

x+3＜0

x＜-3

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