3/5x^2-4/15x-2/3=0

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Solution for 3/5x^2-4/15x-2/3=0 equation: 


x in (-oo:+oo)

(3/5)*x^2-((4/15)*x)-(2/3) = 0

(3/5)*x^2+(-4/15)*x-2/3 = 0

3/5*x^2-4/15*x-2/3 = 0

DELTA = (-4/15)^2-(-2/3*3/5*4)

DELTA = 376/225

DELTA > 0

x = ((376/225)^(1/2)+4/15)/(3/5*2) or x = (4/15-(376/225)^(1/2))/(3/5*2)

x = 5/6*((376/225)^(1/2)+4/15) or x = 5/6*(4/15-(376/225)^(1/2))

x in { 5/6*(4/15-(376/225)^(1/2)), 5/6*((376/225)^(1/2)+4/15) }

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