(x^2+13x+48)/(x+7)

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Solution for (x^2+13x+48)/(x+7) equation: 


D( x )

x+7 = 0

x+7 = 0

x+7 = 0

x+7 = 0 // - 7

x = -7

x in (-oo:-7) U (-7:+oo)

(x^2+13*x+48)/(x+7) = 0

x^2+13*x+48 = 0

x^2+13*x+48 = 0

DELTA = 13^2-(1*4*48)

DELTA = -23

DELTA < 0

1 = 0

1/(x+7) = 0

x belongs to the empty set

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