x^2+x-6/x^2-x-2

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Solution for x^2+x-6/x^2-x-2 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

x^2+x-x-(6/(x^2))-2 = 0

x^2+x-x-6*x^-2-2 = 0

x^2-6*x^-2-2 = 0

t_1 = x^2

1*t_1^1-6*t_1^-1-2 = 0

1*t_1^1-6*t_1^-1-2*t_1^0 = 0

(1*t_1^2-2*t_1^1-6*t_1^0)/(t_1^1) = 0 // * t_1^2

t_1^1*(1*t_1^2-2*t_1^1-6*t_1^0) = 0

t_1^1

t_1^2-2*t_1-6 = 0

t_1^2-2*t_1-6 = 0

DELTA = (-2)^2-(-6*1*4)

DELTA = 28

DELTA > 0

t_1 = (28^(1/2)+2)/(1*2) or t_1 = (2-28^(1/2))/(1*2)

t_1 = (2*7^(1/2)+2)/2 or t_1 = (2-2*7^(1/2))/2

t_1 in { (2-2*7^(1/2))/2, (2*7^(1/2)+2)/2} 

t_1 = (2-2*7^(1/2))/2

x^2-((2-2*7^(1/2))/2) = 0

1*x^2 = (2-2*7^(1/2))/2 // : 1

x^2 = (2-2*7^(1/2))/2

t_1 = (2*7^(1/2)+2)/2

x^2-((2*7^(1/2)+2)/2) = 0

1*x^2 = (2*7^(1/2)+2)/2 // : 1

x^2 = (2*7^(1/2)+2)/2

x^2 = (2*7^(1/2)+2)/2 // ^ 1/2

abs(x) = ((2*7^(1/2)+2)^(1/2))/(2^(1/2))

x = ((2*7^(1/2)+2)^(1/2))/(2^(1/2)) or x = -(((2*7^(1/2)+2)^(1/2))/(2^(1/2)))

x in { ((2*7^(1/2)+2)^(1/2))/(2^(1/2)), -(((2*7^(1/2)+2)^(1/2))/(2^(1/2))) }

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