Perform the indicated operations.( 9x2 + 2x - x3 + 5) - ( 3x2  - 6x - x3 + 8)

A. 6x2 - 8x - 13
B. 5x2 - 2x3 - 4x - 3
C. 5x2 - 4x - 13
D. 6x2 + 8x - 3


Answer: D

Mathematics

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