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因式分解(x²-2x)²+2(x²-2x)+1,m(x-y)²-x+y
人气:447 ℃ 时间:2020-01-29 04:51:04
解答
(x²-2x)²+2(x²-2x)+1
=(x²-2x+1)²
=(x-1)^4
m(x-y)²-x+y
=(x-y)(mx-my-1)
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