已知x平方+x-1=0,2008x立方+4016x方=

问题描述:

已知x平方+x-1=0,2008x立方+4016x方=

2008x立方+4016x方
=2008x³+2008x²+2008x²
=2008x(x²+x)+2008x²
=2008x+2008x²
=2008(x²+x)
=2008*1
=2008