Question

Combine like terms to simplify the following expressions

5y^2 + 7y - 8y^2 - 8y + 11

Answer 1

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

Answer 2

`-3y^(2) -y+11`

Explanation:

Collect like terms

`-3y^(2) +7y-8y+11`

Collect like terms again and you get
`-3y^(2) -y+11`

Hope this helps ʕ•ᴥ•ʔ