xmoreb5 xmoreb5 20-02-2021 Mathematics contestada Four expressions are shown below: A 21x + 6 B 3(7x + 2) C 18x + 9 D 3(6x + 3) Which two expressions are equivalent to 3(6x + 2 + x)? ( by the way i will give brainlist to who ever says the awnser plus say #BRAINLISTPLZ )