1/3x^2+1/15x-1=0

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Solution for 1/3x^2+1/15x-1=0 equation: 


x in (-oo:+oo)

(1/3)*x^2+(1/15)*x-1 = 0

1/3*x^2+1/15*x-1 = 0

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

DELTA = 301/225

DELTA > 0

x = ((301/225)^(1/2)-1/15)/(1/3*2) or x = (-(301/225)^(1/2)-1/15)/(1/3*2)

x = 3/2*((301/225)^(1/2)-1/15) or x = -3/2*((301/225)^(1/2)+1/15)

x in { -3/2*((301/225)^(1/2)+1/15), 3/2*((301/225)^(1/2)-1/15) }

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