Solve the equation by completing the square.-x2 + 2x = -2
A. {1 + 
, 1 - 
}
B. {1, 3}
C. 
D. {-1 + 
, -1 - 
}
Answer: A
Mathematics
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B. 
C. 
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.
?
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C. 
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A. 
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C. 
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