Answer:
5a^2+22a+8
Step-by-step explanation:
5a(a+4)2(a+4)
Then you times each of the brackets
5a^2+20a
+2a +8
____________
=5a^2 +22a +8
and that's ur answer. I like to line it up so it's easier. I don't know if u meant by this but yeah I think it is right
