m^2+m+1=0,则m^3+2m^2+2010=?

问题描述:

m^2+m+1=0,则m^3+2m^2+2010=?

错了,是m^2+m-1=0
m^2+m=1
原式=m^3+m^2+m^2+2010
=m(m^2+m)+m^2+2010
=m+m^2+2010
=1+2010
=2011