Answer :

Answer:

   D. (a – 4)(a – 7)

Step-by-step explanation:

We first look at the factors of 28 and see which two factors add up to -11

28 = 4 x 7 and -4 + - 7 = -11

Therefore the factors of[tex]a^2 - 11a + 28 = (a - 4)(a - 7)[/tex]

This is option D

Answer:

D..........,..........,....,.