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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C. 4
D. 4
E. none of the above

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A. Yes B. No

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A. 0.66 B. 66 C. 6.6 D. 7.6

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Use the product rule to simplify the expression. Assume that the variables can be any real number.

A. -2k4 B. 2k15 C. 2k4 D. 8k4

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