britfandl britfandl 03-11-2020 Mathematics contestada Which of the following expressions is equivalent to 3m(m - 2) - (m^2 + 1) A. 2m^2 - 1 B. 4m^2 - 1 C. 4m^2 - 6m + 1 D. 2m^2 - 6m - 1