Respuesta :
Note: (t-2)(4t^{2}+16)(t-2) is fully expanded if you're not using complex numbers.
Using imaginary roots:
[tex](t-2)(4t^{2}+16)(t-2)\\\\(t-4i)(t+4i)(t-2)(t+2)[/tex]
Using imaginary roots:
[tex](t-2)(4t^{2}+16)(t-2)\\\\(t-4i)(t+4i)(t-2)(t+2)[/tex]