Perform the indicated operation.[(-10n2 + 4n - 9n3) + (6n2 + 9n + 4n3)] - n2
A. -5n3 - 3n2 + 13
B. 13n3 + 15n2 + 5
C. -5n3 - 5n2 + 13n
D. -13n3 - 17n2 - 5
Answer: C
Mathematics
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