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x in (-oo:+oo)
3*x^(2/3)+16*x^(1/3)+16 = 0
t_1 = x^(1/3)
3*t_1^2+16*t_1^1+16 = 0
3*t_1^2+16*t_1+16 = 0
DELTA = 16^2-(3*4*16)
DELTA = 64
DELTA > 0
t_1 = (64^(1/2)-16)/(2*3) or t_1 = (-64^(1/2)-16)/(2*3)
t_1 = -4/3 or t_1 = -4
t_1 = -4
x^(1/3)+4 = 0
1*x^(1/3) = -4 // : 1
x^(1/3) = -4
( -4 < 0 i 1/3 in (0:1) ) => x naleu017Cy do O
t_1 = -4/3
x^(1/3)+4/3 = 0
1*x^(1/3) = -4/3 // : 1
x^(1/3) = -4/3
( -4/3 < 0 i 1/3 in (0:1) ) => x naleu017Cy do O
x belongs to the empty set
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