Perform the indicated operation.(9x4 - 3x2 + x) - (7x3 + 5x2 + 3x) + (4x2 - x)

A. 9x4 - 7x3 - 4x2 - 3x
B. 9x4 - 7x3 - 2x2 + 3x
C. 9x4 + 7x3 - 12x2 - 3x
D. -3x5 + 7x4 - 3x


Answer: A

Mathematics

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