Respuesta :

stupidboythink

Answer:

[tex]-4y^3 + 4y^2 -6y + 25[/tex]

Step-by-step explanation:

Combine like terms.

    [tex](-4y^3-5y+16)[/tex]

 +    [tex](4y^2 - y +9)[/tex]

----------------------------

[tex]-4y^3 + 4y^2 -6y + 25[/tex]

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