Respuesta :
Answer:
The sum or difference of [tex]6y^5-9y^5\ is\ -3y^5[/tex]
Step-by-step explanation:
We have to find the sum or difference 6y^5-9y^5
[tex]6y^5-9y^5\\\\=(6-9)y^5\\\\=-3y^5[/tex]
Hence, the sum or difference of [tex]6y^5-9y^5\ is\ -3y^5[/tex]