NET
2 and he delivers them over to you and you attack them, you must utterly annihilate them. Make no treaty with them and show them no mercy!
Darby
2 and when Jehovah thy God shall give them up before thee and thou shalt smite them, then shalt thou utterly destroy them: thou shalt make no covenant with them, nor shew mercy unto them.
KJV
2 And when the LORD thy God shall deliver them before thee; thou shalt smite them, [and] utterly destroy them; thou shalt make no covenant with them, nor shew mercy unto them: