$$\frac { 1 \cdot 5 x ^ { 2 } + 6 x - 11 } { 1 } = x 2$$
$x_{2}=\left(x-1\right)\left(5x+11\right)$
$x=\frac{\sqrt{5x_{2}+64}-3}{5}$
$x=\frac{-\sqrt{5x_{2}+64}-3}{5}$
$x=\frac{\sqrt{5x_{2}+64}-3}{5}$
$x=\frac{-\sqrt{5x_{2}+64}-3}{5}\text{, }x_{2}\geq -\frac{64}{5}$
