Respuesta :
Answer:
-6[tex]x^{4}[/tex]
Step-by-step explanation:
Put aside the 4's for a minute.
Then you have 2x-8x, which equals -6x.
Then add the 4 back in. You never add that part of a number.
Finally, you have -6[tex]x^{4}[/tex].
Hope you learned something!