Respuesta :

gurungpremmaya16

Step-by-step explanation:

=n2-11n+18

=n2-(9+2)n+18

=n2-9n-2n+18

=n(n-9)-2(n-9)

=(n-2)(n-9)
n^2 - 11n +18

n^2 - 2n -9n +18

(n-9) (n-2)