x^2/3-6x/5-8/15=0

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Solution for x^2/3-6x/5-8/15=0 equation: 


x in (-oo:+oo)

(x^2)/3-((6*x)/5)-(8/15) = 0

(x^2)/3+(-6/5)*x-8/15 = 0

1/3*x^2-6/5*x-8/15 = 0

DELTA = (-6/5)^2-(-8/15*1/3*4)

DELTA = 484/225

DELTA > 0

x = ((484/225)^(1/2)+6/5)/(1/3*2) or x = (6/5-(484/225)^(1/2))/(1/3*2)

x = 4 or x = -2/5

x in { -2/5, 4 }

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