设m平方+m=1则m立方+2m平方+2007=?

问题描述:

设m平方+m=1则m立方+2m平方+2007=?

m³+2m²+2007
=m﹙m²+m﹚+m²+2007
=m+m²+2007
=1+2007
=2008