(x^4-16)/(x^3-8)

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Solution for (x^4-16)/(x^3-8) equation: 


D( x )

x^3-8 = 0

x^3-8 = 0

x^3-8 = 0

1*x^3 = 8 // : 1

x^3 = 8

x^3 = 8 // ^ 1/3

x = 2

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

(x^4-16)/(x^3-8) = 0

1*x^4 = 16 // : 1

x^4 = 16

x^4 = 16 // ^ 1/4

abs(x) = 2

x = 2 or x = -2

x in { 2} 

x = -2

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