x+4=-3/x

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Solution for x+4=-3/x equation: 


D( x )

x = 0

x = 0

x = 0

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

x+4 = -3/x // + -3/x

x-(-3/x)+4 = 0

x+3*x^-1+4 = 0

1*x^1+3*x^-1+4*x^0 = 0

(1*x^2+4*x^1+3*x^0)/(x^1) = 0 // * x^2

x^1*(1*x^2+4*x^1+3*x^0) = 0

x^1

x^2+4*x+3 = 0

x^2+4*x+3 = 0

DELTA = 4^2-(1*3*4)

DELTA = 4

DELTA > 0

x = (4^(1/2)-4)/(1*2) or x = (-4^(1/2)-4)/(1*2)

x = -1 or x = -3

x in { -3, -1} 

x in { -3, -1 }

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