X^2-4/25

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Solution for X^2-4/25 equation: 


X in (-oo:+oo)

X^2-(4/25) = 0

X^2-4/25 = 0

1*X^2 = 4/25 // : 1

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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