0\ ,\ \ x(x+1)>0\ ,\\\\x\in (-\infty ;-1)\cup (0;+\infty )\\\\x^2+x=0,5^{-1}\\\\x^2+x=2\\\\x^2+x-2=0\\\\x_1=-2\ ,\ x_2=1\ \ (teorema\ Vieta)\\\\Otvet:\ \ x_1=-2\ ,\ x_2=1\ ." alt="log_{0,5}(x^2+x)=-1\ \ ,\ \ ODZ:\ \ x^2+x>0\ ,\ \ x(x+1)>0\ ,\\\\x\in (-\infty ;-1)\cup (0;+\infty )\\\\x^2+x=0,5^{-1}\\\\x^2+x=2\\\\x^2+x-2=0\\\\x_1=-2\ ,\ x_2=1\ \ (teorema\ Vieta)\\\\Otvet:\ \ x_1=-2\ ,\ x_2=1\ ." align="absmiddle" class="latex-formula">