5x²-xy-y²+7+2x²+xy-3y²-6=……… tlng di jawab..mksh By Admin ReiPosted on December 10, 2022 5x²-xy-y²+7+2x²+xy-3y²-6=……… tlng di jawab..mksh 5x²+2x²-xy+xy-y²-3y²+7-6= 7x²-4y²+1 5x²+2x²-xy+xy-y²-3y²+7-6=7x²-4y²+1