y^2-3y-(5/2)=0

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Solution for y^2-3y-(5/2)=0 equation: 


y in (-oo:+oo)

y^2-(3*y)-(5/2) = 0

y^2-3*y-5/2 = 0

y^2-3*y-5/2 = 0

DELTA = (-3)^2-(-5/2*1*4)

DELTA = 19

DELTA > 0

y = (19^(1/2)+3)/(1*2) or y = (3-19^(1/2))/(1*2)

y = (19^(1/2)+3)/2 or y = (3-19^(1/2))/2

y in { (3-19^(1/2))/2, (19^(1/2)+3)/2 }

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