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OpenStudy (anonymous):
Calculate the discriminant. x2 – 2x + 4 = 0 A. –12 B. 12 C. 20 D. 0
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OpenStudy (anonymous):
Discriminant=b2−4ac
OpenStudy (anonymous):
\[x=1+i \sqrt{3},1-\sqrt{3}\]
OpenStudy (anonymous):
D
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