Question 480399
{{{(5x^3-9x^2y+3xy^2-4) - (3x^3-6x^2y-2xy^2+3)=5x^3-9x^2y+3xy^2-4 - 3x^3+6x^2y+2xy^2-3=2x^3-3x^2y+5xy^2-7}}}