Respuesta :

[tex]\begin{gathered} f(x)=x^3+8x^2+4x-48 \\ x^3+8x^2+4x-48=\text{ (}x-2\text{)(}x+4\text{)(}x+6\text{)} \\ x+4\text{ is a factor zero of }f(x)=x^3+8x^2+4x-48 \end{gathered}[/tex]