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x = 0
x = 0
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x in (-oo:0) U (0:+oo)
(X-(1/X))^2-((77/12)*(X-(1/x)))+10 = 0
(X-X^-1)^2+(-77/12)*(X-x^-1)+10 = 0
(X-X^-1)^2-77/12*(X-x^-1)+10 = 0
(X-X^-1)^2-77/12*(X-x^-1)+10 = 0
X^2-77/12*X+X^-2+77/12*x^-1-2+10 = 0
X^2-77/12*X+X^-2+77/12*x^-1+8 = 0
X^2-77/12*X+X^-2+77/12*x^-1+8 = 0
77/12*x^-1 = -(X^2-77/12*X+X^-2+8) // : 77/12
x^-1 = -12/77*(X^2-77/12*X+X^-2+8)
-1 < 0
1/(x^1) = -12/77*(X^2-77/12*X+X^-2+8) // * x^1
1 = -12/77*x^1*(X^2-77/12*X+X^-2+8) // : -12/77*(X^2-77/12*X+X^-2+8)
-77/12*(X^2-77/12*X+X^-2+8)^-1 = x^1
x = -77/12*(X^2-77/12*X+X^-2+8)^-1
x = -77/12*(X^2-77/12*X+X^-2+8)^-1
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