Respuesta:
[tex]B= (3x + 4)(3x - 7)\\\\B= 9x^2 - 21x + 12x - 28\\\\B= 9x^2 - 9x - 28[/tex]
Explicación paso a paso:
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Verified answer
Respuesta:
[tex]B= (3x + 4)(3x - 7)\\\\B= 9x^2 - 21x + 12x - 28\\\\B= 9x^2 - 9x - 28[/tex]
Explicación paso a paso: