1/5x^2-13/25x-6/25=0

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Solution for 1/5x^2-13/25x-6/25=0 equation: 


x in (-oo:+oo)

(1/5)*x^2-((13/25)*x)-(6/25) = 0

(1/5)*x^2+(-13/25)*x-6/25 = 0

1/5*x^2-13/25*x-6/25 = 0

DELTA = (-13/25)^2-(-6/25*1/5*4)

DELTA = 289/625

DELTA > 0

x = ((289/625)^(1/2)+13/25)/(1/5*2) or x = (13/25-(289/625)^(1/2))/(1/5*2)

x = 3 or x = -2/5

x in { -2/5, 3 }

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