x^3/4=20

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Solution for x^3/4=20 equation: 


x in (-oo:+oo)

(x^3)/4 = 20 // - 20

(x^3)/4-20 = 0

1/4*x^3 = 20 // : 1/4

x^3 = 80

x^3 = 80 // ^ 1/3

x = 2*10^(1/3)

x = 2*10^(1/3)

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