Respuesta :

Answer:

[tex]9a {b}^{2} - 10ab + 7 {a}^{2} {b}^{2} - 66 \\ 3terms \: one \: 9 a {b}^{2} \\ second \: - 10ab \\ third \: term \: 7 {a}^{2} {b}^{2} \\ fourth \: term - 66 \\ thank \: you[/tex]