X^3/7-X^1/7

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Solution for X^3/7-X^1/7 equation: 


X in (-oo:+oo)

(X^3)/7-((X^1)/7) = 0

(X^3)/7-(X/7) = 0

1/7*X^3-1/7*X = 0

1/7*X*(X^2-1) = 0

1*X^2 = 1 // : 1

X^2 = 1

X^2 = 1 // ^ 1/2

abs(X) = 1

X = 1 or X = -1

X/7 = 0

1/7*X = 0 // : 1/7

X = 0

X in { 1, -1, 0 }

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