B1ritteWrukianaRi B1ritteWrukianaRi 17-07-2016 Mathematics contestada simplify (3n – 2m)2 = ? a. 6n2 – 12mn – 4m2 b. 9n2 – 12mn – 4m2 c. 9n2 12mn 4m2 d. 9n2 – 12mn 4m2