解不等式:(x+1)(x-3)＜x(2x+3)-(x²-1)
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解不等式:(x+1)(x-3)＜x(2x+3)-(x²-1)解不等式:(x+1)(x-3)＜x(2x+3)-(x²-1)解不等式:(x+1)(x-3)＜x(2x+3)-(x
解不等式:(x+1)(x-3)＜x(2x+3)-(x²-1)
解不等式:(x+1)(x-3)＜x(2x+3)-(x²-1)
解不等式:(x+1)(x-3)＜x(2x+3)-(x²-1)
x^2 - 2x - 3 < 2x^2 + 3x - x^2 + 1
x^2 - 2x - 3 < x^2 + 3x + 1
-2x - 3 < 3x + 1
5x > -4
x > -4/5
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