-(32/(20^2))x^2+x+5

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Solution for -(32/(20^2))x^2+x+5 equation: 


x in (-oo:+oo)

x-((32/(20^2))*x^2)+5 = 0

x-32*20^-2*x^2+5 = 0

x-2/25*x^2+5 = 0

DELTA = 1^2-(-2/25*4*5)

DELTA = 13/5

DELTA > 0

x = ((13/5)^(1/2)-1)/(-2/25*2) or x = (-(13/5)^(1/2)-1)/(-2/25*2)

x = -25/4*((13/5)^(1/2)-1) or x = 25/4*((13/5)^(1/2)+1)

x in { -25/4*((13/5)^(1/2)-1), 25/4*((13/5)^(1/2)+1) }

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