20x^4-36x^3/4x^2

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Solution for 20x^4-36x^3/4x^2 equation: 


x in (-oo:+oo)

20*x^4-(x^2*((36*x^3)/4)) = 0

20*x^4-9*x^5 = 0

20*x^4-9*x^5 = 0

x^4*(20-9*x) = 0

20-9*x = 0 // - 20

-9*x = -20 // : -9

x = -20/(-9)

x = 20/9

x^4 = 0

1*x^4 = 0 // : 1

x^4 = 0

x = 0

x in { 20/9, 0 }

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