Answer :
Answer:
[tex]-3y^{2} -y+11[/tex]
Step-by-step explanation:
Collect like terms
[tex]-3y^{2} +7y-8y+11[/tex]
Collect like terms again and you get [tex]-3y^{2} -y+11[/tex]
Hope this helps ʕ•ᴥ•ʔ
Answer is -3y^2–1y+11
Combine 5y^2 and -8y^2 to get -3y
Combine 7y and -8y to get -1y
Then put it together to get -3y^2–1y+11
Combine 5y^2 and -8y^2 to get -3y
Combine 7y and -8y to get -1y
Then put it together to get -3y^2–1y+11