(x^3-8)/(2x^2-18)

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Solution for (x^3-8)/(2x^2-18) equation: 


D( x )

2*x^2-18 = 0

2*x^2-18 = 0

2*x^2-18 = 0

2*x^2 = 18 // : 2

x^2 = 9

x^2 = 9 // ^ 1/2

abs(x) = 3

x = 3 or x = -3

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

(x^3-8)/(2*x^2-18) = 0

1*x^3 = 8 // : 1

x^3 = 8

x^3 = 8 // ^ 1/3

x = 2

x = 2

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