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因式分解 (a²-3a)²-2(a²-3a)-8
人气:111 ℃ 时间:2020-01-28 06:54:48
解答
(a²-3a)²-2(a²-3a)-8
=(a²-3a-4)(a²-3a+2)
=(a-4)(a+1)(a-2)(a-1)
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