Perform the indicated operation.(12x8 + 11x7 - 7x2 + 4) - (6x8 - 9x4 + 5x2 - 6)
A. 6x8 + 11x7 + 9x4 - 12x2 + 10
B. -6x8 + 11x7 + 9x4 - 12x2 + 10
C. 6x8 + 11x7 - 9x4 - 12x2 + 10
D. -6x8 + 11x7 - 9x4 - 12x2 + 10
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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