1)
Why will His anger depart?
1.
Radak: After I exile you from your land, and I destroy your land, I took vengeance on you. My anger will rest and be assuaged.
2.
Malbim: Chemah for the past will cease via the punishment
2)
Why will the Kin'ah depart?
1.
Radak: You will cease to serve other gods. Malbim ? there will be no Yetzer ha'Ra for idolatry.
3)
Why does it add "v'Lo Ech'os Od"?
1.
Malbim: I will not be angry, for you will not sin further.
