(X^2+4x-25)/(x+8)

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Solution for (X^2+4x-25)/(x+8) equation: 


D( x )

x+8 = 0

x+8 = 0

x+8 = 0

x+8 = 0 // - 8

x = -8

x in (-oo:-8) U (-8:+oo)

(X^2+4*x-25)/(x+8) = 0

X^2+4*x-25 = 0 // - X^2-25

4*x = -(X^2-25) // : 4

x = (-(X^2-25))/4

x = (25-X^2)/4

x = (25-X^2)/4

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