| 1) | x2 -4x -45 = 0 | 2) | x2 -3x -10 = 0 |
| 3) | x2 -19x + 70 = 0 | 4) | x2 -11x -12 = 0 |
| 5) | x2 + 9x -36 = 0 | 6) | x2 + 3x -40 = 0 |
| 7) | x2 + 17x + 52 = 0 | 8) | x2 + 16x + 15 = 0 |
| 9) | x2 + 17x + 60 = 0 | 10) | x2 + 4x -77 = 0 |
| 11) | x2 + 2x -24 = 0 | 12) | x2 + 15x + 36 = 0 |
| 13) | x2 + 3x -180 = 0 | 14) | x2 + 6x -135 = 0 |
| 15) | x2 -50x = 0 | 16) | x2 -7x -30 = 0 |
| 17) | x2 -20x + 100 = 0 | 18) | x2 + 17x + 72 = 0 |
| 19) | x2 -12x + 11 = 0 | 20) | x2 -14x + 24 = 0 |
| 21) | x2 -4x + 3 = 0 | 22) | x2 -7x + 12 = 0 |
| 23) | x2 + 13x -14 = 0 | 24) | x2 -15x + 54 = 0 |
| 25) | x2 + 11x -60 = 0 | 26) | x2 -13x + 22 = 0 |
| 27) | x2 + 7x -44 = 0 | 28) | x2 -5x -24 = 0 |
| 29) | x2 -10x + 16 = 0 | 30) | x2 -11x -12 = 0 |
| 31) | x2 + 8x + 7 = 0 | 32) | x2 + 15x + 36 = 0 |
| 33) | x2 -4x -140 = 0 | 34) | x2 + x -132 = 0 |
| 35) | x2 -9x -10 = 0 | 36) | x2 -8x + 12 = 0 |
| 37) | x2 -5x -24 = 0 | 38) | x2 + 21x + 108 = 0 |
| 39) | x2 -5x = 0 | 40) | x2 -10x -11 = 0 |
| 41) | x2 + 24x + 143 = 0 | 42) | x2 -10x + 24 = 0 |
| 43) | x2 -18x + 77 = 0 | 44) | x2 + 26x + 165 = 0 |
| 45) | x2 + 6x -16 = 0 | 46) | x2 -9x -10 = 0 |
| 47) | x2 + 21x + 110 = 0 | 48) | x2 -2x -3 = 0 |
| 49) | x2 + 3x -4 = 0 | 50) | x2 -4x -21 = 0 |
Joke:
What triggered off the Big Bang? Satan tried to divide the universe by '0', but in vain.