| 1) | x2 + 11x + 10 = 0 | 2) | x2 + 8x + 16 = 0 |
| 3) | x2 + 13x + 42 = 0 | 4) | x2 -4x -21 = 0 |
| 5) | x2 + 15x + 56 = 0 | 6) | x2 -5x -66 = 0 |
| 7) | x2 + 12x + 20 = 0 | 8) | x2 + 4x -21 = 0 |
| 9) | x2 -2x -8 = 0 | 10) | x2 + 15x + 36 = 0 |
| 11) | x2 -17x = 0 | 12) | x2 -13x + 36 = 0 |
| 13) | x2 -20x + 99 = 0 | 14) | x2 -x -2 = 0 |
| 15) | x2 -9x + 8 = 0 | 16) | x2 -3x -4 = 0 |
| 17) | x2 -x -2 = 0 | 18) | x2 -9x -10 = 0 |
| 19) | x2 -10x -11 = 0 | 20) | x2 + 13x + 42 = 0 |
| 21) | x2 + 20x + 99 = 0 | 22) | x2 -21x + 104 = 0 |
| 23) | x2 + 3x -10 = 0 | 24) | x2 + 6x -112 = 0 |
| 25) | x2 + 21x + 98 = 0 | 26) | x2 + 15x + 54 = 0 |
| 27) | x2 -4x -32 = 0 | 28) | x2 -10x -11 = 0 |
| 29) | x2 -10x -11 = 0 | 30) | x2 + 4x -60 = 0 |
| 31) | x2 + 13x + 12 = 0 | 32) | x2 -15x + 36 = 0 |
| 33) | x2 -13x + 42 = 0 | 34) | x2 + 13x -30 = 0 |
| 35) | x2 + 11x -26 = 0 | 36) | x2 -21x + 108 = 0 |
| 37) | x2 -12x -28 = 0 | 38) | x2 + 6x -91 = 0 |
| 39) | x2 -3x + 2 = 0 | 40) | x2 + 20x + 100 = 0 |
| 41) | x2 -8x -84 = 0 | 42) | x2 + 19x + 90 = 0 |
| 43) | x2 -16x + 64 = 0 | 44) | x2 -19x + 90 = 0 |
| 45) | x2 + 24x + 144 = 0 | 46) | x2 -9x -10 = 0 |
| 47) | x2 -15x + 56 = 0 | 48) | x2 -10x + 9 = 0 |
| 49) | x2 + 15x + 56 = 0 | 50) | x2 + 13x + 40 = 0 |
Joke:
What happens when a mathematician collects too many Ph.D's? - Permanent Head Damage!