Respuesta :

gmany
[tex]36y^2-84y-147=3(12y^2-28y-49)=3(12y^2-42y+14y-49)\\\\=3[6y(2y-7)+7(2y-7)]=3(2y-7)(6y+7)[/tex]
[tex]\boxed{Answer:\ B.\ 3(2y-7)(6y+7)}[/tex]

Answer:

it is b :D

Step-by-step explanation: