Respuesta :

Answer:

(x + 3)(2x² - 1)

Step-by-step explanation:

given

2x³ + 6x² - x - 3

factor out 2x² from the first 2 terms and - 1 from the third/.fourth terms

= 2x²(x + 3) - 1 (x + 3) ← factor out (x + 3) from each term

= (x + 3)(2x² - 1)

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