Simplify the given expression.

(-3x2 - 9x + 17) - (15x2 + 20x - 4)

Question 1 options:

A. - 18x^2 - 29x + 13

B. - 18x^2 - 29x + 21

C. - 18x^2 - 11x + 21

D. - 18x^2 - 24x + 13

Round 81,955 to the nearest ten

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