(2x+1)²(3x-2)-(2x+1)(3x-2)²-x(2x-1)(2-3x)
=(2x+1)(3x-2)(2x+1-3x+2+x)
=(2x+1)(3x-2)*3
=3*(2*3/2+1)(3*3/2-2)
=3*4*5/2
=30
x(x-y)+y(y-x)+2013
=x*1+y*-1+2013
=x-y+2013
=1+2013
=2014
(2x+1)²(3x-2)-(2x+1)(3x-2)²-x(2x-1)(2-3x)
=(2x+1)(3x-2)(2x+1-3x+2+x)
=(2x+1)(3x-2)*3
=3*(2*3/2+1)(3*3/2-2)
=3*4*5/2
=30
x(x-y)+y(y-x)+2013
=x*1+y*-1+2013
=x-y+2013
=1+2013
=2014