Perform the indicated operation.(10x9 + 7x7 - 5x2 + 2) - (2x9 - 9x4 + 2x2 - 3)
A. -8x9 + 7x7 - 9x4 - 7x2 + 5
B. 8x9 + 7x7 + 9x4 - 7x2 + 5
C. -8x9 + 7x7 + 9x4 - 7x2 + 5
D. 8x9 + 7x7 - 9x4 - 7x2 + 5
Answer: B
Mathematics
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