<table border="1"> <tr> <th>b</th> <th>-3</th> <th>-1</th> <th>0</th> <th>2</th> </tr> <tr> <td>1) b-1</td> <td>-4</td> <td>-2</td> <td>-1</td> <td>1</td> </tr> <tr> <td>2) 1-b</td> <td>4</td> <td>2</td> <td>1</td> <td>-1</td> </tr> <tr> <td>3) 1-b2</sup></td> <td>-8</td> <td>0</td> <td>1</td> <td>-3</td> </tr> <tr> <td>4) b2</sup>-1</td> <td>8</td> <td>0</td> <td>-1</td> <td>3</td> </tr> <tr> <td>5) 1-b3</sup></td> <td>28</td> <td>2</td> <td>1</td> <td>-7</td> </tr> <tr> <td>6) 2b-1</td> <td>-7</td> <td>-3</td> <td>-1</td> <td>3</td> </tr> <tr> <td>7) 2-b</td> <td>5</td> <td>3</td> <td>2</td> <td>0</td> </tr> <tr> <td>8) (1-b)2</sup></td> <td>16</td> <td>4</td> <td>1</td> <td>1</td> </tr> </table>