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Posted by Rachal on Thursday, February 3, 2011 at 6:36pm.

Find all complex solutions of 4x^2+5x+2=0.

x = [ -5 +/- sqrt(25 -32) ] /8 [ -5 +/- i sqrt 7 ] / 8 -5/8 +/- (i/8)sqrt 7

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