Quadratic Formula by Boxed Rockets

Use the Quadratic Formula to Solve with Surds.

x^{2} + 6 x - 6 = 0

x = -3 \pm \sqrt{15}

x^{2} + 11 x + 6 = 0

x = \frac{-11 \pm \sqrt{97}}{2}

x^{2} + 12 x - 1 = 0

x = -6 \pm \sqrt{37}

x^{2} + 13 x - 8 = 0

x = \frac{-13 \pm \sqrt{201}}{2}

x^{2} - 11 x - 4 = 0

x = \frac{11 \pm \sqrt{137}}{2}

x^{2} - 10 x - 5 = 0

x = 5 \pm \sqrt{30}