2x-60/x=-2

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Solution for 2x-60/x=-2 equation: 


D( x )

x = 0

x = 0

x = 0

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

2*x-(60/x) = -2 // + 2

2*x-(60/x)+2 = 0

2*x-60*x^-1+2 = 0

2*x^1-60*x^-1+2*x^0 = 0

(2*x^2+2*x^1-60*x^0)/(x^1) = 0 // * x^2

x^1*(2*x^2+2*x^1-60*x^0) = 0

x^1

2*x^2+2*x-60 = 0

2*x^2+2*x-60 = 0

DELTA = 2^2-(-60*2*4)

DELTA = 484

DELTA > 0

x = (484^(1/2)-2)/(2*2) or x = (-484^(1/2)-2)/(2*2)

x = 5 or x = -6

x in { -6, 5} 

x in { -6, 5 }

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