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(x2 - 4)/4x = 12; x ≠ 0

x2 - 4 = 48x

x2 - 48x = 4

x2 - 48x + 242= 4 + 242

(x - 24)2 = 4 + 576

x - 24 = ±√580

x = 24 ± 2√145

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14y ago

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