Completing the Square by Boxed Rockets

Solve Using Completing the Square.

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

x = 2 \pm \sqrt{2}

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

x = -5 \pm 3 \sqrt{2}

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

x = 3 \pm \sqrt{14}

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

x = -6 \pm \sqrt{38}

x^{2} - 10 x + 1 = 0

x = 5 \pm 2 \sqrt{6}

x^{2} + 12 x - 8 = 0

x = -6 \pm 2 \sqrt{11}