2y 7 2 0 July 8, 2019 16 32 64 128 2y 7 )( y 2 )= 0 2y 2 3y 7 0 2y 2 9y 7 0 X 2 xy 2y 2 7 0 2y 2 6y 7 0 2y 2 16y 7 0 2y 2 8y 7 0 2y 2 5y 7 0 2y 2 4y 7 0 Y 2 4x 2y 7 0
