NET

25 God publicly displayed him at his death as the mercy seat accessible through faith. This was to demonstrate his righteousness, because God in his forbearance had passed over the sins previously committed.

Darby

25 whom God has set forth a mercy-seat, through faith in his blood, for [the] shewing forth of his righteousness, in respect of the passing by the sins that had taken place before, through the forbearance of God;

KJV

25 Whom God hath set forth [to be] a propitiation through faith in his blood, to declare his righteousness for the remission of sins that are past, through the forbearance of God;