vielkahidalgo0509 vielkahidalgo0509 08-06-2021 Mathematics contestada which expression is equal to: 3c (1/3 d-9) -7(c-1) + d(c + 4)?A. 2cd + 8c + 4B. 2cd + 34c + 4d + 7C. 2cd - 34c + 4d + 7D. 2cd - 7c - 4Please include steps!