| 1) | x2 -24x + 140 = 0 | 2) | x2 + 17x + 52 = 0 |
| 3) | x2 -15x + 50 = 0 | 4) | x2 -14x + 48 = 0 |
| 5) | x2 + 18x + 80 = 0 | 6) | x2 + 11x + 30 = 0 |
| 7) | x2 + 7x -8 = 0 | 8) | x2 + 16x + 39 = 0 |
| 9) | x2 -13x + 22 = 0 | 10) | x2 + 4x -117 = 0 |
| 11) | x2 -15x + 54 = 0 | 12) | x2 -17x + 66 = 0 |
| 13) | x2 -20x + 91 = 0 | 14) | x2 -25x = 0 |
| 15) | x2 + 7x + 12 = 0 | 16) | x2 + 3x + 2 = 0 |
| 17) | x2 -2x -80 = 0 | 18) | x2 -x -20 = 0 |
| 19) | x2 -10x -11 = 0 | 20) | x2 -18x + 80 = 0 |
| 21) | x2 -13x + 40 = 0 | 22) | x2 -12x + 36 = 0 |
| 23) | x2 + 2x + 1 = 0 | 24) | x2 -7x -60 = 0 |
| 25) | x2 -18x + 77 = 0 | 26) | x2 + 4x -32 = 0 |
| 27) | x2 -10x -56 = 0 | 28) | x2 + 12x + 27 = 0 |
| 29) | x2 + 21x + 108 = 0 | 30) | x2 -4x + 3 = 0 |
| 31) | x2 + 3x -130 = 0 | 32) | x2 + 19x + 84 = 0 |
| 33) | x2 -8x -65 = 0 | 34) | x2 -19x + 90 = 0 |
| 35) | x2 -5x -50 = 0 | 36) | x2 -16x + 64 = 0 |
| 37) | x2 -18x + 45 = 0 | 38) | x2 -11x -12 = 0 |
| 39) | x2 -7x -78 = 0 | 40) | x2 + 21x + 110 = 0 |
| 41) | x2 + 12x + 20 = 0 | 42) | x2 + 16x + 60 = 0 |
| 43) | x2 + 10x + 21 = 0 | 44) | x2 + 4x -32 = 0 |
| 45) | x2 + 2x + 1 = 0 | 46) | x2 -10x -11 = 0 |
| 47) | x2 -7x -8 = 0 | 48) | x2 -24x + 143 = 0 |
| 49) | x2 -10x + 24 = 0 | 50) | x2 + 5x -14 = 0 |
Joke:
You are warned!; if a mathematician says your child can become a banker or plumber, he means both and would call it 'OR' rule.