Completing the Square by Boxed Rockets

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

x^{2} + 13 x - 1

{(x + \frac{13}{2})}^{2} - \frac{173}{4}

x^{2} - 14 x + 5

{(x - 7)}^{2} - 44

x^{2} + 10 x + 3

{(x + 5)}^{2} - 22

x^{2} - 3 x - 8

{(x - \frac{3}{2})}^{2} - \frac{41}{4}

x^{2} - 4 x + 9

{(x - 2)}^{2} + 5

x^{2} + 12 x - 6

{(x + 6)}^{2} - 42