因式分解 2x^2-7xy+6y^2
我想知道怎样得出答案 (2x-3y)(x-2y)
人气:411 ℃ 时间:2020-05-06 22:55:58
解答
2x²-7xy+6y²
=2x²-3xy-4xy+6y²
=x(2x-3y)-2y(2x-3y)
=(2x-3y)(x-2y)
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