Question 1092051

{{{(3x^2-4x-2) - (x^2+3x-5) + (x^2-x+3)}}}

{{{3x^2-4x-2 - x^2-3x+5 + x^2-x+3}}}

{{{3x^2- cross(x^2)+ cross(x^2)-4x-3x  -x+5-2+3}}}

{{{3x^2-8x+6}}}