13x-78x^2/13x

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Solution for 13x-78x^2/13x equation: 


x in (-oo:+oo)

13*x-(x*((78*x^2)/13)) = 0

13*x-6*x^3 = 0

13*x-6*x^3 = 0

x*(13-6*x^2) = 0

-6*x^2 = -13 // : -6

x^2 = 13/6

x^2 = 13/6 // ^ 1/2

abs(x) = (13/6)^(1/2)

x = (13/6)^(1/2) or x = -(13/6)^(1/2)

x = 0

x = 0

x in { (13/6)^(1/2), -(13/6)^(1/2), 0 }

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