Respuesta :

(

9

)

(

+

2

)

(

+

2

)

9

(

+

2

)

Answer:

x squared - 7x -18

Step-by-step explanation:

x * x = x^2

x * 2 = 2x

-9 * x = -9x

-9 * 2= -18

x^2-7x-18