2 3 5 6x0 July 8, 2019 16 32 64 128 X square 5 x 6 0 2 3 2 6 x 5 04 5 3 3 01 x 2 5 6 6 13 0 5 x =- 3 2 2 + 3 + 4 + 5 + 6 2 x 2 5