Question

Aratati ca 2x+6 /x²+4x+3=2/x+1

Answer 1

2x+6=2(x+3) ;
x²+4x+3=x²+x + 3x+3 =x(x+1) + 3(x+1)=(x+1)(x+3) ;
$\frac{2(x\not+3)}{(x+1)(x\not+3)}=\frac{2}{(x+1}\;\surd\surd$