What is the difference in simplest form?

Question

n2+3n+2n2+6n+8−2nn+4
(1 point)
Responses

n2+2n+2n2+6n+8
the fraction with numerator n squared plus 2 n plus 2 and denominator n squared plus 6 n plus 8

3n+1n+4
the fraction with numerator 3 n plus 1 and denominator n plus 4

1n+2
the fraction with numerator 1 and denominator n plus 2

1−nn+4

Answer 1

n2+2n+2n2+6n+8
the fraction with numerator n squared plus 2 n plus 2 and denominator n squared plus 6 n plus 8