7x2/3x=-1

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Solution for 7x2/3x=-1 equation: 


x in (-oo:+oo)

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

x*((7*x^2)/3)+1 = 0

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

x^3 = -3/7

x^3 = -3/7 // ^ 1/3

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

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

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