Simplify.(4b3 - 5b - 2) + (4b4 - 8b3 + b2 - 4b)
A. 4b4 - 4b3 + b2 - 9b - 2
B. 4b4 - 4b3 + b2 + 9b - 2
C. 4b4 - 12b3 + b2 + 9b - 2
D. 4b4 + 4b3 + b2 - 9b - 2
Answer: A
Mathematics
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