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OpenStudy (anonymous):
The roots of an equation are x = -1 ± i.
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OpenStudy (anonymous):
x^2+( )+2=0
OpenStudy (anonymous):
...
OpenStudy (trojanpoem):
assume m = -1 + i , L = -1 - i the sum of them = -1 + i -1 - i = -2 the mul = (-1 + i ) ( -1 - i ) = 1 - (i^2) = 2 so it's 2
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