-x-14/x+8

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Solution for -x-14/x+8 equation: 


D( x )

x = 0

x = 0

x = 0

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

8-x-(14/x) = 0

8-x-14*x^-1 = 0

8*x^0-1*x^1-14*x^-1 = 0

(8*x^1-1*x^2-14*x^0)/(x^1) = 0 // * x^2

x^1*(8*x^1-1*x^2-14*x^0) = 0

x^1

8*x-x^2-14 = 0

8*x-x^2-14 = 0

DELTA = 8^2-(-14*(-1)*4)

DELTA = 8

DELTA > 0

x = (8^(1/2)-8)/(-1*2) or x = (-8^(1/2)-8)/(-1*2)

x = (2*2^(1/2)-8)/(-2) or x = (-2*2^(1/2)-8)/(-2)

x in { (2*2^(1/2)-8)/(-2), (-2*2^(1/2)-8)/(-2)} 

x in { (2*2^(1/2)-8)/(-2), (-2*2^(1/2)-8)/(-2) }

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