2/5x-4/3x^2

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


x in (-oo:+oo)

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

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

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

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

DELTA = 4/25

DELTA > 0

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

x = 0 or x = 3/10

x in { 0, 3/10 }

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