(x-5)^2 = 3/2 ? If so then x^2 -10 x + 25 = 3/2 2x^2 - 20x + 50 = 3 2 x^2 -20 x + 47 = 0 x = [20 +/- sqrt(400 - 376) ] / 4 = [20 +/- sqrt (24) ]/4 = 5 +/- (1/2) sqrt(6)
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