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Aplicas.
Productos Notables.
(a - b)² = a² - 2ab + b²
(3m² - 54)² =
(3m)² - 2(3m)(54) + 54²
3²m² - 324 + 54*54 =
9m² - 324m + 2916
Respuesta.
9m² - 324m + 2916