X^2/4=16

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Solution for X^2/4=16 equation: 


X in (-oo:+oo)

(X^2)/4 = 16 // - 16

(X^2)/4-16 = 0

1/4*X^2 = 16 // : 1/4

X^2 = 64

X^2 = 64 // ^ 1/2

abs(X) = 8

X = 8 or X = -8

X in { 8, -8 }

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