When Yahweh your God brings you into the land where you go to possess it, and casts out many nations before you, the Hittite, the Girgashite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite, seven nations greater and mightier than you;
Deuteronomy 7:1 When Yahweh your God brings you into the land where you go to possess it, and casts out many nations before you, the Hittite, the Girgashite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite, seven nations greater and mightier than you;
Deuteronomy 7:2 and when Yahweh your God delivers them up before you, and you strike them; then you shall utterly destroy them. You shall make no covenant with them, nor show mercy to them.
Deuteronomy 7:3 You shall not make marriages with them. You shall not give your daughter to his son, nor shall you take his daughter for your son.
The verse centers on "yahweh", "brings", "land", "where", "possess", "casts", "nations", and "before". It is saying that the verse draws attention to "yahweh" and "brings", so its meaning should be read from those terms before moving to application.
The next verse adds "and when Yahweh your God delivers them...", so "yahweh" and "brings" should be read forward into that movement. In Deuteronomy context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "yahweh" and "brings" with trust shaped by these words, not by a vague optimism outside the passage.