Respuesta :

Hrishii

Answer:

[tex] (x + 5)( {x}^{3} + 4)[/tex]

Step-by-step explanation:

[tex] {x}^{4} + 5 {x}^{3} + 4x + 20 \\ = {x}^{3} (x + 5) + 4(x + 5) \\ = (x + 5)( {x}^{3} + 4)[/tex]

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