(x+3)/(X^2-4X-21)

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Solution for (x+3)/(X^2-4X-21) equation: 


D( x )

X^2-(4*X)-21 = 0

X^2-(4*X)-21 = 0

X^2-(4*X)-21 = 0

X^2-4*X-21 = 0

X^2-4*X-21 = 0

x naleu017Cy do R

x belongs to the empty set

(x+3)/(X^2-(4*X)-21) = 0

x belongs to the empty set

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