what should be added to 3-2x2y-xy2 to get 3-3x2y-2xy2 ? Share with your friends Share 2 Varun.Rawat answered this Let the required expression to be added be P.3-2x2y-xy2 + P = 3-3x2y-2xy2⇒P = 3-3x2y-2xy2 - 3-2x2y-xy2⇒P = 3-3x2y-2xy2-3+2x2y+xy2⇒P = -x2y-xy2 2 View Full Answer Saksham answered this (3-3x2y-2xy2)-(3-2x2y-xy2) =3-3x2y-2xy2-3+2x2y-xy2 =3-3-3x2y+2x2y-2xy2-xy2 =-x2y-3xy2 thus,-x2y-3xy2 is to be added to3-2x2y-xy2 to get 3-3x2y-2xy2 4