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x^2+(25/2)*x+10 = 0
x^2+25/2*x+10 = 0
DELTA = (25/2)^2-(1*4*10)
DELTA = 465/4
DELTA > 0
x = ((465/4)^(1/2)-25/2)/(1*2) or x = (-(465/4)^(1/2)-25/2)/(1*2)
x = ((465/4)^(1/2)-25/2)/2 or x = (-((465/4)^(1/2)+25/2))/2
x in { (-((465/4)^(1/2)+25/2))/2, ((465/4)^(1/2)-25/2)/2 }
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