1.设m^2+2m+1=0 ,求m^3+2m^2+2008的值2.若x^2=x-1,求x^2008-1^2007+x^2006的值.
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1.设m^2+2m+1=0 ,求m^3+2m^2+2008的值2.若x^2=x-1,求x^2008-1^2007+x^2006的值.
1.设m^2+2m+1=0 ,求m^3+2m^2+2008的值
2.若x^2=x-1,求x^2008-1^2007+x^2006的值.
1.设m^2+2m+1=0 ,求m^3+2m^2+2008的值2.若x^2=x-1,求x^2008-1^2007+x^2006的值.
1.m^2+2m+1=(m+1)=0,所以m--1..所以m^3+2m^2+2008=-1+1+2008=2008
1. m^2+2m+1=(m+1)=0 ,所以,m=-1。m^3+2m^2+2008=(-1)+2+2008=2009;2.x^2=x-1,所以,x^2-x+1=0,x^2008-1^2007+x^2006=x^2006(x^2-x+1)=0。希望可以帮到你!