9x3-9x20/-5

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Solution for 9x3-9x20/-5 equation: 


x in (-oo:+oo)

9*x^3-((9*x^20)/(-5)) = 0

(9/5)*x^20+9*x^3 = 0

9/5*x^20+9*x^3 = 0

9*x^3*(1/5*x^17+1) = 0

1/5*x^17 = -1 // : 1/5

x^17 = -5

x^17 = -5 // ^ 1/17

x = -5^(1/17)

9*x^3 = 0

9*x^3 = 0 // : 9

x^3 = 0

x = 0

x in { -5^(1/17), 0 }

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