(3x^3-3Y)(3X+3Y^3)
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/12 22:45:19
(3x^3-3Y)(3X+3Y^3)
8M^2-(6m^2+15m^2n)/3m+m(n-1)
2MN[(2mn)^2-3n(mn+m^2n)-mn^2]
8M^2-(6m^2+15m^2n)/3m+m(n-1)
2MN[(2mn)^2-3n(mn+m^2n)-mn^2]
9x^4+9x^3y^3-9xy-9y^4
8m^2+6mn+m
2m^3n^3-8m^2n^3
再问: 大哥。过程呢。
再答: 啊 还要过程要啊 3x^3(3x+3y^3)-3y(3x+3y^3)=9x^4+9x^3y^3-9xy-9y^4 8m^2-2m+5mn+mn-m=8m^2+6mn+m 2mn(4m^2n^2-3mn^2-3m^2n^2-mn^2)=2mn(m^2n^2-4mn^2)=2m^3n^3-8m^2n^3
8m^2+6mn+m
2m^3n^3-8m^2n^3
再问: 大哥。过程呢。
再答: 啊 还要过程要啊 3x^3(3x+3y^3)-3y(3x+3y^3)=9x^4+9x^3y^3-9xy-9y^4 8m^2-2m+5mn+mn-m=8m^2+6mn+m 2mn(4m^2n^2-3mn^2-3m^2n^2-mn^2)=2mn(m^2n^2-4mn^2)=2m^3n^3-8m^2n^3
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