What is the difference in simplest form?

Question

n squared plus three times n plus two over n squared plus six times n plus eight minus two times n over n plus four
(1 point)
Responses

one over n plus two
Image with alt text: one over n plus two

one minus n over n plus four
Image with alt text: one minus n over n plus four

three n plus one over n plus four
Image with alt text: three n plus one over n plus four

n squared plus two plus two over n squared plus six n plus eight

Answer 1

Image with alt text: n squared plus two plus two over n squared plus six n plus eight