即2x²-3x=2007
所以原式=2x³-3x²+2x²-2010x-2008
=x(2x-3x)+2x²-2010x-2008
=2007x+2x²-2010x-2008
=2x²-3x-2008
=2007-2008
=-12x^3-3x^2不等于x（2x-3x）吧？哦，对不起，打漏了是2x²-3x