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因式分解4x平方+3y-3xy-4x
人气:125 ℃ 时间:2020-03-24 08:00:59
解答
4x²+3y-3xy-4x
=4x²-4x+3y-3xy
=4x(x-1)+3y(1-x)
=4x(x-1)-3y(x-1)
=(x-1)(4x-3y)
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