Add.(3x8 - 6x4 + 4x2 + 8) + (2x7 + 4x4 - 7x)
A. 3x8 + 2x7 + 2x4 + 4x2 - 7x + 8
B. 3x8 + 2x7 - 2x4 + 4x2 - 7x + 8
C. 5x8 - 10x4 + 4x2 - 7x + 8
D. 5x8 - 2x4 + 4x2 - 7x + 8
Answer: B
Mathematics
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Mathematics