Completing the Square by Boxed Rockets

Write the following in the form ${(x + a)}^{2} + b$

x^{2} - 8 x + 3

{(x - 4)}^{2} - 13

x^{2} - 4 x - 2

{(x - 2)}^{2} - 6

x^{2} + 2 x - 10

{(x + 1)}^{2} - 11

x^{2} - 4 x - 10

{(x - 2)}^{2} - 14

x^{2} - 6 x + 9

{(x - 3)}^{2}