Alexislera5vpamunez Alexislera5vpamunez 23-07-2016 Mathematics contestada Find the square. (3m + 3)^2 A. 9m^2 + 18m – 9 B. 9m^2 + 9m – 9 C. 9m^2 – 18m + 9 D. 9m^2 + 18m + 9