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