Simplify completely.
3(x - 6) + 4x
A. 7x-6
B. 7x-18
C. 11x
D. 12x-18

3(x - 6) + 4x
use distributive property
(3)(x) + (3)(-6) + 4x = 3x - 18 + 4x = (3x + 4x) - 18 = 7x - 18