(X/5)^2=7.6^2/4

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Solution for (X/5)^2=7.6^2/4 equation: 


X in (-oo:+oo)

(X/5)^2 = (7.6^2)/4 // - (7.6^2)/4

(X/5)^2-((7.6^2)/4) = 0

1/25*X^2 = (7.6^2)/4 // : 1/25

X^2 = 25/4*7.6^2

X^2 = 361 // ^ 1/2

abs(X) = 19

X = 19 or X = -19

X in { 19, -19 }

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