若m^2+m-1=0,求m^3+2m^2+2007的值
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![若m^2+m-1=0,求m^3+2m^2+2007的值](/uploads/image/z/1811111-23-1.jpg?t=%E8%8B%A5m%5E2%2Bm-1%3D0%2C%E6%B1%82m%5E3%2B2m%5E2%2B2007%E7%9A%84%E5%80%BC)
若m^2+m-1=0,求m^3+2m^2+2007的值
若m^2+m-1=0,求m^3+2m^2+2007的值
若m^2+m-1=0,求m^3+2m^2+2007的值
m^2+m-1=0
m^2+m=1
m^3+2m^2+2007=m^3+m^2+m^2+2007
=m(m^2+m)+m^2+2007
=m+m^2+2007
=1+2007
=2008