Answer:
[tex]x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}[/tex]
Step-by-step explanation:
[tex]a=3,\:b=-7,\:c=-1:\quad x_{1,\:2}=\frac{-\left(-7\right)\pm \sqrt{\left(-7\right)^2-4\cdot \:3\left(-1\right)}}{2\cdot \:3}[/tex]
[tex]x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}[/tex]