Explanation:
According to the online dictionary
To rephrase means to express (an idea or question) in an alternative way, especially for the purpose of clarification. to rephrase a statement so that it is clear
In the statement stated in the question
" In the United States, a good credit score is necessary for obtaining a loan."
The rephrasing statement would be using the form "if.. then" form:
“If you have a good credit score, then you can obtain a loan in the United States"