Perform the indicated operation.(-8x2 + 9x4 - 9) + (-5x3 + 6) - (-7x3 + 7x4 - 5x2)

A. 16x4 - 12x3 - 13x2 - 15
B. 2x4 - 12x3 - 13x2 - 15
C. 16x4 - 12x3 - 13x2 - 3
D. 2x4 + 2x3 - 3x2 - 3

Answer: D

Mathematics

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