1/2x^2-7/2x-5=0

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Solution for 1/2x^2-7/2x-5=0 equation: 


x in (-oo:+oo)

(1/2)*x^2-((7/2)*x)-5 = 0

(1/2)*x^2+(-7/2)*x-5 = 0

1/2*x^2-7/2*x-5 = 0

DELTA = (-7/2)^2-(-5*1/2*4)

DELTA = 89/4

DELTA > 0

x = ((89/4)^(1/2)+7/2)/(1/2*2) or x = (7/2-(89/4)^(1/2))/(1/2*2)

x = (89/4)^(1/2)+7/2 or x = 7/2-(89/4)^(1/2)

x in { 7/2-(89/4)^(1/2), (89/4)^(1/2)+7/2 }

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