Answer :

konrad509
[tex]D:4x+3>0\\ D:4x>-3\\ D:x>-\dfrac{3}{4}\\\\ \log(4x+3)=0\\ 10^0=4x+3\\ 1=4x+3\\ 4x=-2\\ x=-\dfrac{2}{4}=-\dfrac{1}{2}[/tex]