Perform the indicated operation.(3a3b5 - 6a4b2 + 9ab3 - 8ab + 14) - (12b5a3 - a4b2 + 12ab3 - 3)
A. -9a3b5 - 5a4b2 - 3ab3 - 8ab + 17
B. 9a3b5 - 5a4b2 - 21ab3 - 7ab + 11
C. -9a3b5 - 5a4b2 + 3ab3 + 8ab + 15
D. -6a3b5 - 8a4b2 - 21ab3 - 8ab + 11
Answer: A
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A. 
B. 
C. 
D. 