X^2-x-90/x-10

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Solution for X^2-x-90/x-10 equation: 


D( x )

x = 0

x = 0

x = 0

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

X^2-x-(90/x)-10 = 0

X^2-x-90*x^-1-10 = 0

-1*x^1-90*x^-1-10*x^0 = 0

(-1*x^2-10*x^1-90*x^0)/(x^1) = 0 // * x^2

x^1*(-1*x^2-10*x^1-90*x^0) = 0

x^1

-x^2-10*x-90 = 0

-x^2-10*x-90 = 0

DELTA = (-10)^2-(-90*(-1)*4)

DELTA = -260

DELTA < 0

x in { } 

x belongs to the empty set

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