6y 4y 12 July 8, 2019 16 32 64 128 6y 12 4y 8 6y 2 4y 12 18 4y =- 6y 12 2y 2 6y 4y 12 − 6y 4 = 4y 12 6xy - 4y + 6 - 9x 6y + 12
