Completing the Square by Boxed Rockets

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

x^{2} + 14 x + 4

{(x + 7)}^{2} - 45

x^{2} - x + 8

{(x - \frac{1}{2})}^{2} + \frac{31}{4}

x^{2} - 13 x - 6

{(x - \frac{13}{2})}^{2} - \frac{193}{4}

x^{2} - 11 x - 6

{(x - \frac{11}{2})}^{2} - \frac{145}{4}

x^{2} + 4 x + 3

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

x^{2} + 6 x - 4

{(x + 3)}^{2} - 13