Add the polynomials. Assume all variable exponents represent whole numbers.(-9x7 + 18x6 - 13) + (3x7 + 16x6 - 9)

A. -6x7 + 34x6 - 22
B. -6x7 + 34x6 + 4
C. -6x7 + 25x6 + 4
D. 6x13


Answer: A

Mathematics

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