So Romans 10.9,10 and 1 cor 15 .1-4 is not the Gospel ?
you can read into it all you would like, but if you see what I said that Acts 2:38
"Jesus said to repent Peter said to and so did Paul."
Rome 10:9-10
is not the only thing said in that chapter nor did i suggest it is not valued or not the gospel.
Rome 10: 3 says :
For they being ignorant of God’s righteousness, and seeking to establish their own righteousness, have not submitted to the righteousness of God.
Rome10:4 says:
For Christ is the end of the law for righteousness to everyone who believes.
Ver 13 says those who call on the name of the Lord will be saved. the earlier verses establish that those who are calling on the Lord have done so in faith
they have repented, the have Submitted ( surrendered), and they have received.