leandrojardim0927 leandrojardim0927 21-04-2021 Mathematics contestada Which expressions are equivalent to 6 + 12x A 3(2+4x) B. 3(2+6x)+2x C. 5(1+2x)+1+2x D7(1+2x)-2x-1 E 7 (1+2x)+2x-1