Simplifying Rational Expression

 $\frac{x\ +\ 5}{x-5}$  

• -1

• 1

• x

• already in reduced form

 $\frac{6\left(\ m-3\right)\left(m+5\right)}{2\left(\ m+5\right)}$  

•  $4\ \left(m-3\right)$  

•  $3\left(m-3\right)$  

•  $\frac{m-3}{3}$  

• already  in reduced form

 $\frac{n\ +2}{2n\ +\ 4}$  

•  $\frac{1}{2}$  

•  $\frac{1}{2n}$  

•  $\frac{n}{2}$  

• already in reduced form

 $\frac{x^2\ -16}{x\ +4}$  

•  $\frac{1}{x-4}$  

•  $\frac{x-4}{x+4}$  

•  $x-4$  

• already in reduced form

 $\frac{5n^2+\ 10n}{n^2-4}$  

•  $\frac{1}{n-2}$  

•  $\frac{5}{n\left(\ n-2\right)}$  

•  $\frac{5n}{n-2}$  

• already in reduced form

 $\frac{m+3}{m^2+6m+9}$  

•  $\frac{m}{m+2}$  

•  $\frac{1}{m+3}$  

•  $\frac{1}{m-3}$  

• already in reduced form

 $\frac{8n\ ^3+\ 2n}{6n^2-4n^{ }}$  

•  $\frac{4n^2+1}{3n-2}$  

•  $\frac{4n\ +1}{3-2n}$  

•  $\frac{2n\ +\ 1}{3}$  

• already in reduced form

 $\frac{x^2-5x+6}{x-2}$  

•  $3x$  

•  $x+3$  

•  $x-3$  

• already in reduced form

 $\frac{n^2-81}{n^2+11n\ +18}$  

•  $\frac{n+9}{n+2}$  

•  $\frac{n-9}{n+2}$  

•  $\frac{n-9}{n+6}$  

• already in reduced form

 $\frac{m\ +\ 7}{7-m}$  

•  $1$  

•  $-1$  

•  $-m$  

• already in reduced form