m²-2m-4=0,则m³-m²-6m+2008=

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m²-2m-4=0,则m³-m²-6m+2008=

m²-2m-4=0,则m³-m²-6m+2008=
m²-2m-4=0,则m³-m²-6m+2008=

m²-2m-4=0,则m³-m²-6m+2008=
m²-2m=4
所以m³-m²-6m
=m³-2m²+m²-2m-4m
=m(m²-2m)+(m²-2m)-4m
=4m+4-4m
=4
所以原式=4+2008=2012

m³-m²-6m+2008
=m³-2m²-4m+m²-2m-4+2012
=m(m²-2m-4)+(m²-2m-4)+2012
=0+0+2012
=2012

2012