Completing the Square by Boxed Rockets

Solve Using Completing the Square.

x^{2} - 6 x + 8 = 0

x = 4 or 2

x^{2} + 8 x + 6 = 0

x = -4 \pm \sqrt{10}

x^{2} + 10 x - 7 = 0

x = -5 \pm 4 \sqrt{2}

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

x = -1 \pm \sqrt{10}

x^{2} - 10 x + 9 = 0

x = 9 or 1

x^{2} + 14 x - 5 = 0

x = -7 \pm 3 \sqrt{6}