Perform the indicated operations.-(2x3 + x - 4) + (5x3 + 4x2) - (8x2 - 9x - 1)
A. 3x3 + 4x2 + 10x - 5
B. 7x3 - 12x2 + 8x - 5
C. 3x3 - 4x2 + 8x + 5
D. 2x3 - 2x2 - 8x + 5
Answer: C
Mathematics
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A. 2
B. 22
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D. 
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