5x 4 2x 5x 6 July 8, 2019 16 32 64 128 5x 4 2x 6x 2 2x 11 5x 4 5x 6 x 2 2x 4 5x 3 6x 2 5x 2 2x 4 5x 3 6x 2 5x 2 0 4 2x 5x =- 66 5 x 5 x 5 x 5 x 5