已知:单项式M,N满足2x(M+3x)=6x的2次方y的2次方+N,求M,N_数学解答

已知:单项式M,N满足2x(M+3x)=6x的2次方y的2次方+N,求M,N

人气：493 ℃　时间：2019-08-18 17:54:19

解答

由于2x(M+3x)=6x^2y^2+N,所以2xM+6x^2=6x^2y^2+N
比较可知2xM=6x^2y^2,6x^2=N
所以M=3xy^2,N=6x^2