5x^2/2=2/5

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Solution for 5x^2/2=2/5 equation: 


x in (-oo:+oo)

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

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

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

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

x^2 = 4/25

x^2 = 4/25 // ^ 1/2

abs(x) = 2/5

x = 2/5 or x = -2/5

x in { 2/5, -2/5 }

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