Completing the Square by Boxed Rockets

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

x^{2} + 5 x - 9

{(x + \frac{5}{2})}^{2} - \frac{61}{4}

x^{2} - 6 x + 2

{(x - 3)}^{2} - 7

x^{2} - 6 x + 1

{(x - 3)}^{2} - 8

x^{2} - 6 x - 2

{(x - 3)}^{2} - 11

x^{2} - 8 x - 7

{(x - 4)}^{2} - 23

x^{2} - 7 x + 4

{(x - \frac{7}{2})}^{2} - \frac{33}{4}