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x in (-oo:+oo)
(x+13/5)^2 = 11/25 // - 11/25
(x+13/5)^2-(11/25) = 0
(x+13/5)^2-11/25 = 0
(25*(x+13/5)^2)/25-11/25 = 0
25*(x+13/5)^2-11 = 0
25*x^2+130*x+158 = 0
25*x^2+130*x+158 = 0
25*x^2+130*x+158 = 0
DELTA = 130^2-(4*25*158)
DELTA = 1100
DELTA > 0
x = (1100^(1/2)-130)/(2*25) or x = (-1100^(1/2)-130)/(2*25)
x = (10*11^(1/2)-130)/50 or x = (-10*11^(1/2)-130)/50
(x-((-10*11^(1/2)-130)/50))*(x-((10*11^(1/2)-130)/50)) = 0
((x-((-10*11^(1/2)-130)/50))*(x-((10*11^(1/2)-130)/50)))/25 = 0
((x-((-10*11^(1/2)-130)/50))*(x-((10*11^(1/2)-130)/50)))/25 = 0 // * 25
(x-((-10*11^(1/2)-130)/50))*(x-((10*11^(1/2)-130)/50)) = 0
( x-((-10*11^(1/2)-130)/50) )
x-((-10*11^(1/2)-130)/50) = 0 // + (-10*11^(1/2)-130)/50
x = (-10*11^(1/2)-130)/50
( x-((10*11^(1/2)-130)/50) )
x-((10*11^(1/2)-130)/50) = 0 // + (10*11^(1/2)-130)/50
x = (10*11^(1/2)-130)/50
x in { (-10*11^(1/2)-130)/50, (10*11^(1/2)-130)/50 }
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