\[\boxed{\mathbf{519\ (519).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ \sqrt{x^{2}} = x + 8\]
\[|x| = x + 8\]
\[x - x = 8,\ \ - x - x = 8\]
\[Ответ:\ x = - 4.\]
\[2)\ \sqrt{x^{2}} = 6x - 10\]
\[|x| = 6x - 10\]
\[x - 6x = - 10\]
\[- 5x = - 10\]
\[x = 2\]
\[Ответ:x = 2.\]