m^5-m^4+m^3-2m^2+2m-2

问题描述:

m^5-m^4+m^3-2m^2+2m-2

m^5-m^4+m^3-2m^2+2m-2
=m³﹙m²-m+1﹚-2﹙m²-m+1﹚
=﹙m³-2﹚﹙m²-m+1﹚
注m³-2=﹙m-3次根号2﹚﹙m²+3次根号2乘m+3次根号4)