Subtract.(6x6 + 9x8 - 2 - 4x7) - (-9 + 6x7 + 6x8 + 9x6)

A. 15x8 + 2x7 + 15x6 + 7
B. 3x8 - 10x7 - 3x6 + 7
C. 15x8 + 2x7 + 15x6 - 11
D. 3x8 + 2x7 + 15x6 - 11


Answer: B

Mathematics

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