已知关于x,y的多项式x^3y^4-(m+3)x^2y^2-3不含四次项,求3m^3+4m-2的值

问题描述:

已知关于x,y的多项式x^3y^4-(m+3)x^2y^2-3不含四次项,求3m^3+4m-2的值

-(m+3)x^2y^2=0
m+3=0
m=-3
3m^3+4m-2
=3×-27-4×3-2
=-81-12-2
=-95