Question

Dau coroana !!!!!!!!!!!!!!!!!!!!!!

Answer 1

$( \frac{x+1}{2x}- \frac{x-1}{3x})* \frac{6x}{x+5}=[ \frac{3(x+1)-2(x-1)}{6x}]* \frac{6x}{x+5}$, simplificam cu 6x desfacem parantezele si obtinem: 
$\frac{3x+3-2x+2}{x+5}= \frac{x+5}{x+5}=1$, ∀x∈R\{-5, 0}