1 4 4 5 3 4x 1 9 July 8, 2019 16 32 64 128 1 4 4 5 3 4x 1 1 9 simplified 1 4 4 5 3 4x 10 9 1 4 4 5 3 4x 11 9 1 4 + 1 5 4 + 4 =5