2x+3y 6 3x-2y -2, 2x+3y 6, 2x-3y 2, 2x 2+3xy+2y 2, 2x+3y 2+ 2x-3y 2, z 2x 2+3y 2, x 2+2xy+4y 2+6y -3, 2x-3y-2 0, x+3y 6 2x-3y 12, 2x 2+6xy+x-3y-1, 2x+3 2 5, 2x+3y 0 3x+5y 2, 2x+3y 12, 2x+3y 5, 2x-3y 3, x+2y -2 3x+4y 6, 2x-3y 5 6-4x+6y, 2x-3y 4, 2x-3y 1, 3.2 2x2, 2x+3y 5 6x+5y 3, 3x2+2xy+3y2
2x 2 3y 2 6. There are any references about 2x 2 3y 2 6 in here. you can look below.