1)
What is the request "Shuvah Hashem [Ad Masai]"?
1.
Rashi: Retract from Your anger [Malbim - until we will bring a heart of Chachmah. Until then, do not punish us in Your anger for our sins.]
2.
Radak: Return to us - until when will You abandon us?!
2)
What is the request "v'Hinachem Al Avadecha"?
1.
Rashi: Have a good thought about Your servants.
2.
Radak: Retract [Your conduct towards them], for they already bore their sin.
3.
Malbim: Your encompassing Evrah over Adam ha'Rishon's sin should not take effect on Tzadikim.