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OpenStudy (anonymous):
Solve the quadratic equation x^2 − 4x + 57 = -5 by completing the square. *medals given*
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OpenStudy (anonymous):
i took (x^2 -4x) = -62 then complete square x^2 - 4x +4 = -62 +4
OpenStudy (anonymous):
i got (x-2)^2 = -58 then x-2 = plus minus sqrt-58
OpenStudy (anonymous):
on wolfram site says answer would be 2 + i sqrt58 , 2 - i sqrt58
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