Quadratic Formula by Boxed Rockets

Use the Quadratic Formula to Solve with Surds.

x^{2} + 7 x + 8 = 0

x = \frac{-7 \pm \sqrt{17}}{2}

x^{2} + 11 x - 1 = 0

x = \frac{-11 \pm 5 \sqrt{5}}{2}

x^{2} + 5 x + 6 = 0

x = -2 or -3

x^{2} + 9 x - 9 = 0

x = \frac{-9 \pm 3 \sqrt{13}}{2}

x^{2} - 7 x - 1 = 0

x = \frac{7 \pm \sqrt{53}}{2}

x^{2} + 14 x + 9 = 0

x = -7 \pm 2 \sqrt{10}