Answer :

Answer:

[tex](7y + 2)(y + 1)[/tex]

Step-by-step explanation:

[tex]7 {y}^{2} + 9y + 2[/tex]

[tex] = 7 {y}^{2} + 7y + 2y + 2[/tex]

[tex] = 7y(y + 1) + 2(y + 1)[/tex]

[tex] = (7y + 2)(y + 1)[/tex]