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Question
escribir \\(\text{incógnita}^2 - 144\\) en forma factorizada.
\\((x + 12)(x + 12)\\)
\\((x + 12)(x - 12)\\)
\\((x - 12)(x - 12)\\)
Identificar la estructura de la expresión
$$
x^2 - 144 = x^2 - 12^2
$$
Aplicar la fórmula de diferencia de cuadrados
$$
a^2 - b^2 = (a + b)(a - b)
$$
Obtener los factores resultantes
$$
x^2 - 12^2 = (x + 12)(x - 12)
$$
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- (A) \((x + 12)(x + 12)\)
- (B) \((x + 12)(x - 12)\) (Correct answer)
- (C) \((x - 12)(x - 12)\)