M 4 6m 3 9m 2 July 8, 2019 16 32 64 128 Factor m 4 6m 3 9m 2 6 m 3 m M=4 9 (m + 4)/(m ^ 2 - 6m + 9) * (2m - 6)/(m ^ 2 - 16) - 2/(m - 4) 3 m 4 m 2 m
