ayudenme a resolver estas dos operaciones:
(3m + 2n) (3m - 2n) =
(4xy-2x) (4xy+2x) =
2) 16x²y² - 4x²1) 9m² - 4n²Saludos (:
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2) 16x²y² - 4x²
1) 9m² - 4n²
Saludos (: