(-7/2x+8)+2=-2/x+4

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Solution for (-7/2x+8)+2=-2/x+4 equation: 


D( x )

x = 0

x = 0

x = 0

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

(-7/2)*x+2+8 = 4-2/x // - 4-2/x

(-7/2)*x-(-2/x)-4+2+8 = 0

(-7/2)*x+2*x^-1-4+2+8 = 0

2*x^-1-7/2*x^1+6*x^0 = 0

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

x^1*(6*x^1-7/2*x^2+2*x^0) = 0

x^1

(-7/2)*x^2+6*x+2 = 0

(-7/2)*x^2+6*x+2 = 0

DELTA = 6^2-(2*4*(-7/2))

DELTA = 64

DELTA > 0

x = (64^(1/2)-6)/(2*(-7/2)) or x = (-64^(1/2)-6)/(2*(-7/2))

x = -2/7 or x = 2

x in { -2/7, 2} 

x in { -2/7, 2 }

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