can someone help ? i only have 36 min

Answer:
[tex] \boxed{ \bold{{ \boxed{ \sf8 {x}^{7} + 3 {x}^{6} + {x}^{5} + 5 {x}^{4} - 2 {x}^{3} }}}}[/tex]
Step-by-step explanation:
Here, we have to arrange the polynomial from higher power to lower power.
So, Option C is the correct option
Hope I helped!
Best regards! :D