Respuesta :

beinggreat78

Answer:

[tex]4\left(5-4x^3\right)[/tex]

Step-by-step explanation:

[tex]20-4x^3\\4\cdot \:5-4x^3\\4\left(5-4x^3\right)[/tex]

4 would have been factored out of the equation if we factored further.

Hope this helps!