(X^2-3x-7)/(x-3)

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Solution for (X^2-3x-7)/(x-3) equation: 


D( x )

x-3 = 0

x-3 = 0

x-3 = 0

x-3 = 0 // + 3

x = 3

x in (-oo:3) U (3:+oo)

(X^2-(3*x)-7)/(x-3) = 0

(X^2-3*x-7)/(x-3) = 0

X^2-3*x-7 = 0 // - X^2-7

-3*x = -(X^2-7) // : -3

x = (-(X^2-7))/(-3)

x = (7-X^2)/(-3)

x = (7-X^2)/(-3)

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