jessicaleon98 jessicaleon98 02-11-2016 Mathematics contestada Simplify (3n – 2m)^2 = ? A). 9n^2 + 12mn + 4m^2 B.) 9n^2 - 12mn - 4m^2 C.) 9n^2 - 12mn + 4m^2 D.) 6n^2 - 12mn -4m^2