Completing the Square by Boxed Rockets

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

2 x^{2} + 10 x - 9

2 {(x + \frac{5}{2})}^{2} - \frac{43}{2}

2 x^{2} + 7 x + 8

2 {(x + \frac{7}{4})}^{2} + \frac{15}{8}

2 x^{2} - 11 x - 4

2 {(x - \frac{11}{4})}^{2} - \frac{153}{8}

5 x^{2} - 5 x - 4

5 {(x - \frac{1}{2})}^{2} - \frac{21}{4}

3 x^{2} + 13 x + 5

3 {(x + \frac{13}{6})}^{2} - \frac{109}{12}

2 x^{2} + 14 x + 7

2 {(x + \frac{7}{2})}^{2} - \frac{35}{2}