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x^2y^2-y^4-12xy^2+36y^2 因式分解
人气:367 ℃ 时间:2020-04-13 05:53:11
解答
x^2y^2-y^4-12xy^2+36y^2
=y²(x²-12x+36)-y^4
=y²(x-6)²-y^4
=(xy-6y+y²)(xy-6y-y²)
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