Add or subtract. (7x2 – x – 2) – (–6x3 + 3)
A. 6x3 + 7x2 – x – 5
B. –6x3 + 7x2 – x + 1
C. –x3 – x – 5
D. x2 – x + 1

the answer is A

6x³+7x²-x-5

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step-by-step explanation:

b and c