4x^2-1/-2x-5

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Solution for 4x^2-1/-2x-5 equation: 


x in (-oo:+oo)

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

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

4*x^2+1/2*x-5 = 0

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

DELTA = 321/4

DELTA > 0

x = ((321/4)^(1/2)-1/2)/(2*4) or x = (-(321/4)^(1/2)-1/2)/(2*4)

x = ((321/4)^(1/2)-1/2)/8 or x = (-((321/4)^(1/2)+1/2))/8

x in { (-((321/4)^(1/2)+1/2))/8, ((321/4)^(1/2)-1/2)/8 }

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