Completing the Square by Boxed Rockets

Solve Using Completing the Square.

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

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

x^{2} + 4 x - 10 = 0

x = -2 \pm \sqrt{14}

x^{2} + 16 x + 2 = 0

x = -8 \pm \sqrt{62}

x^{2} + 4 x - 3 = 0

x = -2 \pm \sqrt{7}

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

x = 4 \pm \sqrt{10}

x^{2} + 10 x + 6 = 0

x = -5 \pm \sqrt{19}