已知单项式M、N满足等式：2x(M-x)=6x的平方y的三次方+Nx的平方,求M+N知道的、速度会哈

已知单项式M、N满足等式：2x(M-x）=6x²y三次方+Nx²,求M、N.上面是求M+N. 已知单项式M、N满足等式3x[M-5x]=6xxyyy+N,求M、N 已知单项式M,N满足等式3x(M-5x)=6xy+N,则M= ,N= 已知单项式M,N满足等式3x(M-5x)=6x^2y^3+N.求M,N. 已知单项式M,N满足等式3x(M-5x)=6x平方y3次方+n,求MN 已知单项式M,N满足等式3x(M-5x)=6x平方y3次方+n,求MN 已知单项式M、N满足等式:2x(M-x)=6x^2y^3+Nx^2,求M+N 已知单项式M、n满足等式3x（m-5x）=6X^2Y^3 N,则m= 已知:单项式M、N满足等式2x(M-x)=6x²y³+Nx²,求M,N. 已知 ,单项式M,N满足等式2x﹙M-x﹚=6x²y³＋Nx²,求M,N 已知单项式M,N满足等式3x(M-5x)=6x平方y3次方+n,则M= ,N=过程!~~~~~~~~~~~ 已知单项式M、N满足等式3x（M-5x）=6x²y³+N,求M、N 已知单项式M N满足等式3x（m－5x）=6x²y²+N求M N 已知单项式M、N满足2x(M+3x)=6x^2y^2+N,求M、N. 已知单项式M,N满足3x(M-5x)=6x^2y^3+N,求M,N 已知,单项式M,N满足2x（M+3x)=6x²y²+N,求M,N 已知单项式M N满足3x(M-5x)=6x^2y^2 求M N 若单项式M,N满足等式2x(M-5x)=6x²y³+N,则M-N为