1/5x^2-39/25x-8/25=0

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Solution for 1/5x^2-39/25x-8/25=0 equation: 


x in (-oo:+oo)

(1/5)*x^2-((39/25)*x)-(8/25) = 0

(1/5)*x^2+(-39/25)*x-8/25 = 0

1/5*x^2-39/25*x-8/25 = 0

DELTA = (-39/25)^2-(-8/25*1/5*4)

DELTA = 1681/625

DELTA > 0

x = ((1681/625)^(1/2)+39/25)/(1/5*2) or x = (39/25-(1681/625)^(1/2))/(1/5*2)

x = 8 or x = -1/5

x in { -1/5, 8 }

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