1+((-8x)/(x^4))

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Solution for 1+((-8x)/(x^4)) equation: 


D( x )

x^4 = 0

x^4 = 0

x^4 = 0

1*x^4 = 0 // : 1

x^4 = 0

x = 0

x in (-oo:0) U (0:+oo)

(-8*x)/(x^4)+1 = 0

-8*x^-3 = -1 // : -8

x^-3 = 1/8

-3 < 0

1/(x^3) = 1/8 // * x^3

1 = 1/8*x^3 // : 1/8

8 = x^3

x^3 = 8 // ^ 1/3

x = 2

x = 2

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