\[x^2-4x-4=0\]
\[x=2, x=-12\]
\[x=2\pm2\sqrt{2}\]
\[x=2\pm\sqrt{3}\]
\[x=-2\pm4\sqrt{2}\]
\[x^2-10x+16=0\]
\[x=-5, x=-9\]
\[x=8, x=2\]
\[x=5 \pm\sqrt{41}\]
\[x=\pm\sqrt{13}\]
\[x^2+10x-56=0\]
\[x=4, x=-14\]
\[x=3\pm\sqrt{29}\]
\[x=5\]
\[x=\pm\sqrt{5}\]
\[2x^2+4x+2=0\]
\[x=-1\]
\[x=-3\pm3\sqrt{5}\]
\[x=0, x=1\]
\[x=\pm\sqrt{7}\]
\[2x^2-12x-10=0\]
\[x=3\pm\sqrt{14}\]
\[x=\pm11\]
\[x=\pm\sqrt{19}\]
\[x=4, x=-8\]
\[3x^2-48=0\]
\[x=\pm4\]
\[x=-1, x=-8\]
\[x=-5\pm4\sqrt{10}\]
\[x=\pm\sqrt{2}\]
\[x^2+2x-14=0\]
\[x=-1\pm\sqrt{15}\]
\[x=3\pm4\sqrt{3}\]
\[x=-7, x=5\]
\[x=\pm7\]
\[5x^2-65=0\]
\[x=\pm25\]
\[x=-10, x=3\]
\[x=-6\pm\sqrt{3}\]
\[4x^2-20x=0\]
\[x=0,x=5\]
\[x=\pm2\]
\[x=-8\pm2\sqrt{2}\]
\[x=\pm6\sqrt{11}\]
\[x^2-12x-1=0\]
\[x=6\pm\sqrt{37}\]
\[x=-12, x=9\]
\[x=7\pm\sqrt{7}\]
\[x=-6\]
