Respuesta :

It is the last option the
4y^2-10y-1
Photon
[tex](y^2-7y-5)-(-3y^2+3y-4)[/tex]
[tex]=y^2-7y-5+3y^2-3y+4[/tex]
[tex]=3y^2+y^2-7y-3y-5+4[/tex]
[tex]=4y^2-10y-1[/tex]

In short, the answer would be [tex]4y^2-10y-1[/tex] (Option D).

Hope this helps !

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