∵x²+x=1
∴x²+x-1=0
2014x³+2013x²-2015x-2017
=2014x³+2014x²-2014x -x²-x+1 -2018
=2014x(x²+x-1)-(x²+x-1)-2018
∵x²+x-1=0
∴原式=-2018
∵x²+x=1
∴x²+x-1=0
2014x³+2013x²-2015x-2017
=2014x³+2014x²-2014x -x²-x+1 -2018
=2014x(x²+x-1)-(x²+x-1)-2018
∵x²+x-1=0
∴原式=-2018