化简分式:(x-3)(x²-4)/(x²+3x+2)(x²-4x+3)

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化简分式:(x-3)(x²-4)/(x²+3x+2)(x²-4x+3)

化简分式:(x-3)(x²-4)/(x²+3x+2)(x²-4x+3)
化简分式:(x-3)(x²-4)/(x²+3x+2)(x²-4x+3)

化简分式:(x-3)(x²-4)/(x²+3x+2)(x²-4x+3)
=(X-3)(X+2)(X-2)/(X+1)(X+2)(X-1)(X-3)
约去相同的=(X-2)/(X+1)(X-1)