若单项式M,N满足2x(M+3x)=6*x*x*y*y+N,求M,N
问题描述:
若单项式M,N满足2x(M+3x)=6*x*x*y*y+N,求M,N
答
2x(m+3x)
=2xm+6x²
=6x²y²+n
所以2xm=6x²y²
6x²=n
所以
m=3xy²
n=6x²