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

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Solution for (3/x)-2=(-2x)/(x+1) equation: 


D( x )

x = 0

x+1 = 0

x = 0

x = 0

x+1 = 0

x+1 = 0

x+1 = 0 // - 1

x = -1

x in (-oo:-1) U (-1:0) U (0:+oo)

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

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

2*x*(x+1)^-1+3/x-2 = 0

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

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

3*(x+1)-2*x*(x+1)+2*x*x = 0

2*x^2-2*x^2+3*x-2*x+3 = 0

x+3 = 0

(x+3)/(x*(x+1)) = 0

(x+3)/(x*(x+1)) = 0 // * x*(x+1)

x+3 = 0

x+3 = 0 // - 3

x = -3

x = -3

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