| 1) | x2 -8x -9 = 0 | 2) | x2 + 8x -33 = 0 |
| 3) | x2 -15x + 14 = 0 | 4) | x2 -20x + 99 = 0 |
| 5) | x2 -14x + 40 = 0 | 6) | x2 + 4x -140 = 0 |
| 7) | x2 -11x + 30 = 0 | 8) | x2 -20x + 99 = 0 |
| 9) | x2 -9x -10 = 0 | 10) | x2 + 11x -12 = 0 |
| 11) | x2 + 11x + 10 = 0 | 12) | x2 + x -132 = 0 |
| 13) | x2 -21x + 98 = 0 | 14) | x2 -3x -18 = 0 |
| 15) | x2 + 3x + 2 = 0 | 16) | x2 + 16x + 60 = 0 |
| 17) | x2 + x -132 = 0 | 18) | x2 -20x + 96 = 0 |
| 19) | x2 -13x + 42 = 0 | 20) | x2 + 5x -126 = 0 |
| 21) | x2 + 14x -15 = 0 | 22) | x2 + 9x + 8 = 0 |
| 23) | x2 + 5x -36 = 0 | 24) | x2 + 20x + 100 = 0 |
| 25) | x2 + 3x + 2 = 0 | 26) | x2 -x -72 = 0 |
| 27) | x2 + 2x -3 = 0 | 28) | x2 -13x -30 = 0 |
| 29) | x2 -8x -48 = 0 | 30) | x2 -8x -9 = 0 |
| 31) | x2 + 19x + 88 = 0 | 32) | x2 + 10x + 9 = 0 |
| 33) | x2 -12x + 32 = 0 | 34) | x2 + 17x + 60 = 0 |
| 35) | x2 + 17x + 72 = 0 | 36) | x2 + 9x -52 = 0 |
| 37) | x2 + 14x + 33 = 0 | 38) | x2 -12x + 36 = 0 |
| 39) | x2 -10x -11 = 0 | 40) | x2 -20x + 75 = 0 |
| 41) | x2 -6x + 8 = 0 | 42) | x2 -12x + 32 = 0 |
| 43) | x2 -x -72 = 0 | 44) | x2 + 9x + 20 = 0 |
| 45) | x2 -x -12 = 0 | 46) | x2 + 19x + 78 = 0 |
| 47) | x2 + x -30 = 0 | 48) | x2 + x -42 = 0 |
| 49) | x2 -5x -126 = 0 | 50) | x2 + 26x + 165 = 0 |
Joke:
If a mathematician became a farmer, he would grow carrots with square roots and adopt swine and coswine with high-pot-in-use!