18x^4-27x^3-9/3x^3

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Solution for 18x^4-27x^3-9/3x^3 equation: 


x in (-oo:+oo)

18*x^4-(27*x^3)-((9/3)*x^3) = 0

18*x^4-27*x^3-3*x^3 = 0

18*x^4-30*x^3 = 0

6*x^3*(3*x-5) = 0

3*x-5 = 0 // + 5

3*x = 5 // : 3

x = 5/3

6*x^3 = 0

6*x^3 = 0 // : 6

x^3 = 0

x = 0

x in { 5/3, 0 }

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