Ix^2+2008x+1I+Ix^2+2010x-1I
=I(-2009)^2+2008(-2009)+1I+I(2009)^2-2010*2009-1I
=I2009(2009-2008)+1I+I2009(2009-2010)-1I
=I2010I+I-2010I
=4020
Ix^2+2008x+1I+Ix^2+2010x-1I
=I(-2009)^2+2008(-2009)+1I+I(2009)^2-2010*2009-1I
=I2009(2009-2008)+1I+I2009(2009-2010)-1I
=I2010I+I-2010I
=4020