(3x^2+12x+13)/(x+2)

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Solution for (3x^2+12x+13)/(x+2) equation: 


D( x )

x+2 = 0

x+2 = 0

x+2 = 0

x+2 = 0 // - 2

x = -2

x in (-oo:-2) U (-2:+oo)

(3*x^2+12*x+13)/(x+2) = 0

3*x^2+12*x+13 = 0

3*x^2+12*x+13 = 0

DELTA = 12^2-(3*4*13)

DELTA = -12

DELTA < 0

1 = 0

1/(x+2) = 0

x belongs to the empty set

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