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

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


D( x )

x^2+2*x+4 = 0

x^2+2*x+4 = 0

x^2+2*x+4 = 0

x^2+2*x+4 = 0

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

DELTA = -12

DELTA < 0

x in (-oo:+oo)

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

x^2+4*x+9 = 0

x^2+4*x+9 = 0

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

DELTA = -20

DELTA < 0

1 = 0

x^2+2*x+4 = 0

x^2+2*x+4 = 0

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

DELTA = -12

DELTA < 0

1 = 0

1 = 0

x belongs to the empty set

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