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因式分解:4x(1-x)的三次方+2(x-1)的平方
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人气:155 ℃ 时间:2020-01-29 03:50:23
解答
4x(1-x)的三次方+2(x-1)²
=-4x(x-1)的三次方+2(x-1)²
=(x-1)²[-4x(x-1)+2]
=(x-1)²[-4x²+4x+2]
=-2(x-1)²(2x²-2x-1)
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