(x²-x)²-8x²+8x+12
=(x²-x)²-8(x²-x)+12
=(x²-x-2)(x²-x-6)
=(x-2)(x+1)(x-3)(x+2)
(x²-x)²-8x²+8x+12 因式分解 用分组分解,
(x²-x)²-8x²+8x+12 因式分解 用分组分解,
数学人气:726 ℃时间:2020-04-27 14:56:12
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