x^3/7=-8

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Solution for x^3/7=-8 equation: 


x in (-oo:+oo)

(x^3)/7 = -8 // + 8

(x^3)/7+8 = 0

1/7*x^3 = -8 // : 1/7

x^3 = -56

x^3 = -56 // ^ 1/3

x = -2*7^(1/3)

x = -2*7^(1/3)

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