Question

Cократите:
1)5+x/x-1
2)6/x-1+x/1-x

Answer 1

$1)5+ frac{x}{x-1}= frac{5(x-1)+x}{x-1}= frac{5x-5+x}{x-1}= frac{6x-5}{x-1}, \ 2) frac{6}{x-1}+ frac{x}{1-x} = frac{6}{x-1}- frac{x}{x-1}= frac{6-x}{x-1}$