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x in (-oo:+oo)
((3*x-3)^2)/3 = 16 // - 16
((3*x-3)^2)/3-16 = 0
((3*x-3)^2)/3+(-16*3)/3 = 0
(3*x-3)^2-16*3 = 0
9*x^2-18*x-39 = 0
9*x^2-18*x-39 = 0
3*(3*x^2-6*x-13) = 0
3*x^2-6*x-13 = 0
DELTA = (-6)^2-(-13*3*4)
DELTA = 192
DELTA > 0
x = (192^(1/2)+6)/(2*3) or x = (6-192^(1/2))/(2*3)
x = (8*3^(1/2)+6)/6 or x = (6-8*3^(1/2))/6
3*(x-((6-8*3^(1/2))/6))*(x-((8*3^(1/2)+6)/6)) = 0
(3*(x-((6-8*3^(1/2))/6))*(x-((8*3^(1/2)+6)/6)))/3 = 0
(3*(x-((6-8*3^(1/2))/6))*(x-((8*3^(1/2)+6)/6)))/3 = 0 // * 3
3*(x-((6-8*3^(1/2))/6))*(x-((8*3^(1/2)+6)/6)) = 0
( 3 )
3 = 0
x belongs to the empty set
( x-((6-8*3^(1/2))/6) )
x-((6-8*3^(1/2))/6) = 0 // + (6-8*3^(1/2))/6
x = (6-8*3^(1/2))/6
( x-((8*3^(1/2)+6)/6) )
x-((8*3^(1/2)+6)/6) = 0 // + (8*3^(1/2)+6)/6
x = (8*3^(1/2)+6)/6
x in { (6-8*3^(1/2))/6, (8*3^(1/2)+6)/6 }
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