If the square of M + M-1 = 0, then the cubic power of M + 2 times the square of m-2001 =?

If the square of M + M-1 = 0, then the cubic power of M + 2 times the square of m-2001 =?

m^2+m-1=0
m^3+2m^2-2001
=m^3+m^2-m+m^2+m-1-2000
=m(m^2+m-1)+(m^2+m-1)-2000
=-2000