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D( x )
x^2-(6*x) = 0
x = 0
x^2-(63*x) = 0
x^2-(6*x) = 0
x^2-(6*x) = 0
x^2-6*x = 0
x^2-6*x = 0
DELTA = (-6)^2-(0*1*4)
DELTA = 36
DELTA > 0
x = (36^(1/2)+6)/(1*2) or x = (6-36^(1/2))/(1*2)
x = 6 or x = 0
x = 0
x = 0
x^2-(63*x) = 0
x^2-(63*x) = 0
x^2-63*x = 0
x^2-63*x = 0
DELTA = (-63)^2-(0*1*4)
DELTA = 3969
DELTA > 0
x = (3969^(1/2)+63)/(1*2) or x = (63-3969^(1/2))/(1*2)
x = 63 or x = 0
x in (-oo:0) U (0:6) U (6:63) U (63:+oo)
(5*x-22)/(x^2-(6*x))-(11/(x^2-(63*x)))-(5/x) = 0
(5*x-22)/(x^2-6*x)-11*(x^2-63*x)^-1-5*x^-1 = 0
(5*x-22)/(x^2-6*x)-11/(x^2-63*x)-5/x = 0
x^2-6*x = 0
x^2-6*x = 0
x*(x-6) = 0
x-6 = 0 // + 6
x = 6
x*(x-6) = 0
x^2-63*x = 0
x^2-63*x = 0
x*(x-63) = 0
x-63 = 0 // + 63
x = 63
x*(x-63) = 0
(5*x-22)/(x*(x-6))-11/(x*(x-63))-5/x = 0
(5*x-22)/(x*(x-6))+(-11*(x-6))/(x*(x-6))+(-5*(x-6))/(x*(x-6)) = 0
5*x-11*(x-6)-5*(x-6)-22 = 0
30-6*x-5*x+44 = 0
74-11*x = 0
(74-11*x)/(x*(x-6)) = 0
(74-11*x)/(x*(x-6)) = 0 // * x*(x-6)
74-11*x = 0
74-11*x = 0 // - 74
-11*x = -74 // : -11
x = -74/(-11)
x = 74/11
x = 74/11
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