Find the sum or difference.(3x9 + 11x7 - 4x3 + 8) - (11x9 - 8x5 + 8x3 - 9)

A. -8x9 + 11x7 - 8x5 - 12x3 + 17
B. 8x9 + 11x7 + 8x5 - 12x3 + 17
C. 8x9 + 11x7 - 8x5 - 12x3 + 17
D. -8x9 + 11x7 + 8x5 - 12x3 + 17


Answer: D

Mathematics

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