3y 5 4 9 y 2 July 8, 2019 16 32 64 128 9 y 4 )= 5 3y 2 )+ 7y 9 y 4 )- 7 5 3y 2 9 3y-5 7y=16 2 0 9(4y - 2) = 0 5(3y - 4) + 4 4
