15/-x-2=-3/1-x

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Solution for 15/-x-2=-3/1-x equation: 


D( x )

-x = 0

-x = 0

x = 0

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

15/(-x)-2 = -x-3/1 // + -x-3/1

x+15/(-x)-(-3/1)-2 = 0

x+15/(-x)-2+3 = 0

1*x^1-15*x^-1+1*x^0 = 0

(1*x^2+1*x^1-15*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2+1*x^1-15*x^0) = 0

x^1

x^2+x-15 = 0

x^2+x-15 = 0

DELTA = 1^2-(-15*1*4)

DELTA = 61

DELTA > 0

x = (61^(1/2)-1)/(1*2) or x = (-61^(1/2)-1)/(1*2)

x = (61^(1/2)-1)/2 or x = (-(61^(1/2)+1))/2

x in { (-(61^(1/2)+1))/2, (61^(1/2)-1)/2} 

x in { (-(61^(1/2)+1))/2, (61^(1/2)-1)/2 }

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