Respuesta :

Answer:

(x - 1) x (5x + 4)

Step-by-step explanation:

5 x 2 – 4 = 6

5 x 4 – 4 = 16  

6 x 2 – 11x – 4 = 56    

5 x 2 – x – 4 = (x - 1) x (5x + 4)

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