Respuesta :

[tex] = - 2 {n}^{2} - n - 8[/tex]

hope it helps

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Ver imagen itsmeyanyan

Answer:

- 2n² - n - 8

Step-by-step explanation:

(n - 4)(n + 2) - n(3n - 1) ← expand the product of factors using FOIL

= n² - 2n - 8 - n(3n - 1) ← distribute parenthesis by n

= n² - 2n - 8 - 3n² + n ← collect like terms

= - 2n² - n - 8