7x^3/5=5x

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Solution for 7x^3/5=5x equation: 


x in (-oo:+oo)

(7*x^3)/5 = 5*x // - 5*x

(7*x^3)/5-(5*x) = 0

(7*x^3)/5-5*x = 0

7/5*x^3-5*x = 0

x*(7/5*x^2-5) = 0

7/5*x^2 = 5 // : 7/5

x^2 = 25/7

x^2 = 25/7 // ^ 1/2

abs(x) = (25/7)^(1/2)

x = (25/7)^(1/2) or x = -(25/7)^(1/2)

x = 0

x = 0

x in { (25/7)^(1/2), -(25/7)^(1/2), 0 }

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