Respuesta:
Explicación paso a paso:
(3 + y)² = (9 + 6y + y²)
(3x + 2y)² = ( 9x² + 12xy + 4y²)
(3 - y )² = (9 - 6y + y²)
(3x - 2y)² = ( 9x² - 12xy + 4y²)
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Respuesta:
Explicación paso a paso:
(3 + y)² = (9 + 6y + y²)
(3x + 2y)² = ( 9x² + 12xy + 4y²)
(3 - y )² = (9 - 6y + y²)
(3x - 2y)² = ( 9x² - 12xy + 4y²)