Find the sum or difference.(6x4 - 8x2 + x) - (9x3 + 6x2 + 3x) + (3x2 - x)
A. 6x4 + 9x3 - 17x2 - 3x
B. 2x5 + 7x4 - 3x
C. 6x4 - 9x3 - 11x2 - 3x
D. 6x4 - 9x3 - 9x2 + 3x
Answer: C
Mathematics
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