(54x^2/4x^2)-(81/16)x=0

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Solution for (54x^2/4x^2)-(81/16)x=0 equation: 


x in (-oo:+oo)

((54*x^2)/4)*x^2-((81/16)*x) = 0

((54*x^2)/4)*x^2+(-81/16)*x = 0

27/2*x^4-81/16*x = 0

27/2*x*(x^3-3/8) = 0

1*x^3 = 3/8 // : 1

x^3 = 3/8

x^3 = 3/8 // ^ 1/3

x = (3/8)^(1/3)

(27*x)/2 = 0

27/2*x = 0 // : 27/2

x = 0

x in { (3/8)^(1/3), 0 }

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