m的平方加m减1等于0，则m的三次方加2m的平方加2011等于

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因为：衡源岩
m^2+m-1=0
所以，咐御乘以m得到：裂悔
m^3+m^2=m

m^3+2m^2+2011
=m^2+m+2011
=1+2011
=2012

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m^2+m=1
m^3+2m^2+2011
=m(m^2+m)+m^2+2011
=m+m^2+2011
=1+2011
=2012

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