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x in (-oo:+oo)
((x-2)^2)/3 = 49 // - 49
((x-2)^2)/3-49 = 0
((x-2)^2)/3+(-49*3)/3 = 0
(x-2)^2-49*3 = 0
x^2-4*x-143 = 0
x^2-4*x-143 = 0
x^2-4*x-143 = 0
DELTA = (-4)^2-(-143*1*4)
DELTA = 588
DELTA > 0
x = (588^(1/2)+4)/(1*2) or x = (4-588^(1/2))/(1*2)
x = (14*3^(1/2)+4)/2 or x = (4-14*3^(1/2))/2
(x-((4-14*3^(1/2))/2))*(x-((14*3^(1/2)+4)/2)) = 0
((x-((4-14*3^(1/2))/2))*(x-((14*3^(1/2)+4)/2)))/3 = 0
((x-((4-14*3^(1/2))/2))*(x-((14*3^(1/2)+4)/2)))/3 = 0 // * 3
(x-((4-14*3^(1/2))/2))*(x-((14*3^(1/2)+4)/2)) = 0
( x-((14*3^(1/2)+4)/2) )
x-((14*3^(1/2)+4)/2) = 0 // + (14*3^(1/2)+4)/2
x = (14*3^(1/2)+4)/2
( x-((4-14*3^(1/2))/2) )
x-((4-14*3^(1/2))/2) = 0 // + (4-14*3^(1/2))/2
x = (4-14*3^(1/2))/2
x in { (14*3^(1/2)+4)/2, (4-14*3^(1/2))/2 }
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