2y 2 9y 3 4 July 8, 2019 16 32 64 128 2y 3 4 9y 2 3 1 3y 5 2 3y )- 9y 4 3 2y 2y 4 3y 3 9y 2 X 2 2y 2 2xy 4x 9y 3 0 2(3y – 4) – 9y + 14 2y = 9