-4x-30/x-34

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Solution for -4x-30/x-34 equation: 


D( x )

x = 0

x = 0

x = 0

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

-4*x-(30/x)-34 = 0

-4*x-30*x^-1-34 = 0

-4*x^1-30*x^-1-34*x^0 = 0

(-4*x^2-34*x^1-30*x^0)/(x^1) = 0 // * x^2

x^1*(-4*x^2-34*x^1-30*x^0) = 0

x^1

-4*x^2-34*x-30 = 0

-4*x^2-34*x-30 = 0

DELTA = (-34)^2-(-30*(-4)*4)

DELTA = 676

DELTA > 0

x = (676^(1/2)+34)/(-4*2) or x = (34-676^(1/2))/(-4*2)

x = -15/2 or x = -1

x in { -15/2, -1} 

x in { -15/2, -1 }

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