6x제곱-17x,18x-12y-6 4x제곱-10x,4x제곱+8xy-6y 10x-9y,-3x-y -2x-12,20x제곱-34xy 4b세제곱-2b제곱 3x-2y제곱/2x-3y 6분의x제곱-19x+14 2x제곱+3x+10,8x+17
당신은 어느 그룹입니까?