1/2x^2+1/10x-1=0

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Solution for 1/2x^2+1/10x-1=0 equation: 


x in (-oo:+oo)

(1/2)*x^2+(1/10)*x-1 = 0

1/2*x^2+1/10*x-1 = 0

DELTA = (1/10)^2-(-1*1/2*4)

DELTA = 201/100

DELTA > 0

x = ((201/100)^(1/2)-1/10)/(1/2*2) or x = (-(201/100)^(1/2)-1/10)/(1/2*2)

x = (201/100)^(1/2)-1/10 or x = -((201/100)^(1/2)+1/10)

x in { -((201/100)^(1/2)+1/10), (201/100)^(1/2)-1/10 }

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