Which of the following is equivalent to (x + 4)(3x2+2x)?
O
A. (x+4)(3 x2)+(x+4)(2x)
O
B. (x+4)(2x)+(x+4)(3x)
O
c. (x+4)(2x)•(x + 4)(3x)
O
D. (x + 4)(3x?)•(x+4)(2x)