Seudónimo Seudónimo 03-03-2021 Mathematics contestada Which is a simplified form of the expression 5c – 7(2c – 4)? A. 9c + 28 B. -9c + 28 C. 9c - 28 D. -9c – 28 Which is a simplified form of the expression 3(m + 1) + 2m? A. m + 3 B. 5m + 1 C. 3m + 1 D. 5m + 3