Respuesta :

naǫ
[tex]35=5 \times 7 \\ 63=3 \times 3 \times 7 \\ GCF(35,63)=7 \\ \\ 36+63=7 \times 5 + 7 \times 9=\boxed{7(5+9)}[/tex]
7(5+9)
since 7 is the gcf :)