已知单项式M、N满足3x(M-5)=6x^2y^3+N,则M=____,N=____.

题目

已知单项式M、N满足3x(M-5)=6x^2y^3+N,则M=____,N=____.

答案

要使3x(M-5)=6x^2y^3+N,则M=6x^2y^3才有6x^2y^3
所以M=6x^2y^3,代入原式,得N=15X