Respuesta:
Explicación paso a paso:
(a³-b³) = (a-b) (a²-ab+b²)
= (3x - 1) ((3x)²- (3x)(1) + (1)² )
= (3x-1) (9x² - 3x + 1)
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Respuesta:
Explicación paso a paso:
(a³-b³) = (a-b) (a²-ab+b²)
= (3x - 1) ((3x)²- (3x)(1) + (1)² )
= (3x-1) (9x² - 3x + 1)