Respuesta:
9x² + 12x + 4
Explicación paso a paso:
Formula : -
( a + b )² = a² + b² + 2ab
Aqui,
a = 3x
b = 2
( 3x + 2 )²
= ( 3x )² + 2² + 2 ( 3x ) ( 2 )
= 9x² + 4 + 12x
= 9x² + 12x + 4
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Respuesta:
9x² + 12x + 4
Explicación paso a paso:
Formula : -
( a + b )² = a² + b² + 2ab
Aqui,
a = 3x
b = 2
( 3x + 2 )²
= ( 3x )² + 2² + 2 ( 3x ) ( 2 )
= 9x² + 4 + 12x
= 9x² + 12x + 4