20x5+30x4/9x2

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Solution for 20x5+30x4/9x2 equation: 


x in (-oo:+oo)

x^2*((30*x^4)/9)+20*x^5 = 0

10/3*x^6+20*x^5 = 0

10*x^5*(1/3*x+2) = 0

1/3*x+2 = 0 // - 2

1/3*x = -2 // : 1/3

x = -2/1/3

x = -6

10*x^5 = 0

10*x^5 = 0 // : 10

x^5 = 0

x = 0

x in { -6, 0 }

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