Which algebraic expression is equivalent to the expression below?
3(x - 4) + 12(x + 8)
A15x + 108
B15x + 84
C15x + 8
D36x + 84
3(x - 4) + 12(x + 8)
A15x + 108
B15x + 84
C15x + 8
D36x + 84