the given expression is,
[tex]=3v^2-4v-7[/tex][tex]\begin{gathered} =3v^2-7v+3v-7 \\ =v(3v-7)+1(3v-7) \end{gathered}[/tex][tex]=(3v-7)(v+1)[/tex]so the factors are (3v - 7) (v + 1)
the given equation is,
[tex]=3v^2-4v-7[/tex]so the answer is
(3v-7)(v+1)