2x3-8/4.2

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Solution for 2x3-8/4.2 equation: 


x in (-oo:+oo)

2*x^3-(8/4.2) = 0

2*x^3-1.9047619 = 0

2*x^3 = 1.9047619 // : 2

x^3 = 0.95238095

x^3 = 0.95238095 // ^ 1/3

x = 0.95238095^(1/3)

x = 0.95238095^(1/3)

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