Complete the square to write the function in the form
f(x) = x2 + 2x - 2
A. f(x) = (x - 1)2 - 2
B. f(x) = (x - 1)2 - 3
C. f(x) = (x - (-1))2 - 2
D. f(x) = (x - (-1))2 - 3
Answer: D
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