Add or subtract as indicated. Express the answer as a single polynomial in standard form.(-4x4 + 8x6 - 4 + 2x5) - (-2 - 7x5 + 2x6 - 7x4)
A. 10x6 - 5x5 - 11x4 - 2
B. 6x6 + 9x5 + 3x4 - 2
C. 10x6 - 5x5 - 11x4 - 6
D. 6x6 - 5x5 - 11x4 - 6
Answer: B
Mathematics
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