Solve the quadratic equation and express all nonreal complex solutions in terms of i.x2 - 4x + 40 = 0
A. {4 ± 12i}
B. {2 ± 6i}
C. {8, -4}
D. {-2 ± 6i}
Answer: B
Mathematics
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A. 
B. 
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A. 
B. ?
C. 
D. 
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