(x^2-9x+26)/(x-4)

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Solution for (x^2-9x+26)/(x-4) equation: 


D( x )

x-4 = 0

x-4 = 0

x-4 = 0

x-4 = 0 // + 4

x = 4

x in (-oo:4) U (4:+oo)

(x^2-(9*x)+26)/(x-4) = 0

(x^2-9*x+26)/(x-4) = 0

x^2-9*x+26 = 0

x^2-9*x+26 = 0

DELTA = (-9)^2-(1*4*26)

DELTA = -23

DELTA < 0

1 = 0

1/(x-4) = 0

x belongs to the empty set

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