6/4x^2+2/5x

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Solution for 6/4x^2+2/5x equation: 


x in (-oo:+oo)

(6/4)*x^2+(2/5)*x = 0

3/2*x^2+2/5*x = 0

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

DELTA = 4/25

DELTA > 0

x = ((4/25)^(1/2)-2/5)/(3/2*2) or x = (-(4/25)^(1/2)-2/5)/(3/2*2)

x = 0 or x = -4/15

x in { -4/15, 0 }

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