X^2/7=77

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Solution for X^2/7=77 equation: 


X in (-oo:+oo)

(X^2)/7 = 77 // - 77

(X^2)/7-77 = 0

1/7*X^2 = 77 // : 1/7

X^2 = 539

X^2 = 539 // ^ 1/2

abs(X) = 7*11^(1/2)

X = 7*11^(1/2) or X = -(7*11^(1/2))

X in { 7*11^(1/2), -(7*11^(1/2)) }

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