6 4y 2 )= 3 5 3y July 8, 2019 16 32 64 128 (- 6x 4y 6 2 /(- 4x 3y 5 3 2 + 3 + 4 + 5 + 6 2 6(y)-4 6=3 2 6xy - 4y + 6 - 9x