2x/9-x^20

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Solution for 2x/9-x^20 equation: 


x in (-oo:+oo)

(2*x)/9-x^2 > 0

2/9*x-x^2 > 0

DELTA = (2/9)^2-(-1*0*4)

DELTA = 4/81

DELTA > 0

x = ((4/81)^(1/2)-2/9)/(-1*2) or x = (-(4/81)^(1/2)-2/9)/(-1*2)

x = 0 or x = 2/9

a = -1

a < 0

x in (0:2/9)

x in (0:2/9)

(0:2/9)

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