Add and write the resulting polynomial in descending order of degree.(5 - 3x5 + 8x7 + 8x6) + (6x6 - 3x5 - 6 + 3x7)
A. 11x7 + 11x6 + 2x5 + 11
B. 19x36 - 1
C. 11x14 + 14x12 - 6x10 - 1
D. 11x7 + 14x6 - 6x5 - 1
Answer: D
Mathematics
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