If A = 4x2 + 3x - 2, B = -2x2 - x + 5, C = 3x2 - 4x + 1, and D = -x2 + 2x - 3, then what is the sum of the coefficients of x2 and x in (A - B + C - D)?

1
8
2
-2
3
4
4
0

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