M 4 2m 2 1 0 July 8, 2019 16 32 64 128 Solve m 4 2m 2 1 0 M 4 2m 3 3m 2 2m 1 0 4 m x 2 2m 4 x 8m 1 0 X 4 2 m 1 x 2 2m 1 0