Completing the Square by Boxed Rockets

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

x^{2} + 2 x - 2

{(x + 1)}^{2} - 3

x^{2} - 15 x + 10

{(x - \frac{15}{2})}^{2} - \frac{185}{4}

x^{2} + 7 x - 1

{(x + \frac{7}{2})}^{2} - \frac{53}{4}

x^{2} - 9 x + 4

{(x - \frac{9}{2})}^{2} - \frac{65}{4}

x^{2} + 3 x - 3

{(x + \frac{3}{2})}^{2} - \frac{21}{4}

x^{2} + 6 x + 2

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