(x^2+y^2)-4y^2x^2=因式分解

沙漠最红2022-10-04 11:39:542条回答

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bachcat37 共回答了24个问题 | 采纳率87.5%: 实数范围无法分解.; 1年前

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6x^2y+2xy-3x^2y^2-7x-5yx-4y^2x^2-6x^2y,
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其中|x+3|+(y-2)^2=0
即x+3=0,y-2=0
x=-3,y=2
原式=-7*9*4-3(-3)*2-7(-3)=-252+18+21=-213

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