30x/15x^2-5x

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Solution for 30x/15x^2-5x equation: 


x in (-oo:+oo)

((30*x)/15)*x^2-(5*x) = 0

((30*x)/15)*x^2-5*x = 0

2*x^3-5*x = 0

x*(2*x^2-5) = 0

2*x^2 = 5 // : 2

x^2 = 5/2

x^2 = 5/2 // ^ 1/2

abs(x) = (5/2)^(1/2)

x = (5/2)^(1/2) or x = -(5/2)^(1/2)

x = 0

x = 0

x in { (5/2)^(1/2), -(5/2)^(1/2), 0 }

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