已知单项式M,N满足3x(M-5x)=6x的二次方y的二次方+N,则MN=?急

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3x(M-5x)=6x^2y^2 求M N 已知单项式M,N,满足3x（M-5x）=6xy,+N,则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]=6xxyyy+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2x(M+3x)=6x^2y^2+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（6x^2y^3-M）/n=-2x+3,求M、N 已知单项式M、N满足3x(M+6x^2)=18xy+N,求M和N? 已知单项式M、N满足3x（M+6x²)=18xy+N,求M和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3x·(M-5x)=6x的二次方y+N,则M= N= 已知单项式M、N满足3x(M-5x)=6x²y²+N,则 M=（ ),N=( ) 已知单项式M、N满足3x*(m-5x)=6x²y+N,则M=?N=?, 已知单项式M、N满足3x*(m-5x)=6x²y+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.