Multiply.(x + 12)(x3 + 9x - 5)
A. x4 + 12x3 + 9x2 + 113x + 60
B. x4 + 9x2 - 5x + 12
C. x4 + 12x3 + 9x2 + 103x - 60
D. x3 + 21x2 + 103x - 60
Answer: C
Mathematics
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