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

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Solution for -4/5x^2-4/5x-1/5=0 equation: 


x in (-oo:+oo)

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

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

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

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

DELTA = 0

x = 4/5/(-4/5*2)

x = -1/2 or x = -1/2

x in { -1/2, -1/2 }

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