Expand.(4x + 3)4
A. 256x3 + 768x2 + 864x + 432
B. 768x4 + 2304 x3 + 864x2 + 1296x + 81
C. (16x2 + 12x + 9)4
D. 256x4 + 768x3 + 864x2 + 432x + 81
Answer: D
Mathematics
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