| 1) | x2 + 7x -60 = 0 | 2) | x2 + 5x + 4 = 0 |
| 3) | x2 + 13x + 40 = 0 | 4) | x2 -15x + 36 = 0 |
| 5) | x2 -7x -18 = 0 | 6) | x2 -15x + 56 = 0 |
| 7) | x2 + 19x + 88 = 0 | 8) | x2 + 8x -33 = 0 |
| 9) | x2 -x -72 = 0 | 10) | x2 -2x -24 = 0 |
| 11) | x2 + 10x + 21 = 0 | 12) | x2 -18x + 77 = 0 |
| 13) | x2 -5x + 4 = 0 | 14) | x2 -2x -48 = 0 |
| 15) | x2 + 6x -55 = 0 | 16) | x2 + 14x + 24 = 0 |
| 17) | x2 -4x -32 = 0 | 18) | x2 -4x -21 = 0 |
| 19) | x2 -20x + 84 = 0 | 20) | x2 + 9x -36 = 0 |
| 21) | x2 -12x + 32 = 0 | 22) | x2 -2x -48 = 0 |
| 23) | x2 + 4x -117 = 0 | 24) | x2 -17x + 30 = 0 |
| 25) | x2 + 11x + 30 = 0 | 26) | x2 + 12x + 11 = 0 |
| 27) | x2 + 10x + 24 = 0 | 28) | x2 -8x -9 = 0 |
| 29) | x2 -23x + 130 = 0 | 30) | x2 -8x -9 = 0 |
| 31) | x2 + 11x + 10 = 0 | 32) | x2 + 13x + 30 = 0 |
| 33) | x2 + 5x -84 = 0 | 34) | x2 -8x + 15 = 0 |
| 35) | x2 -17x + 72 = 0 | 36) | x2 -4x -32 = 0 |
| 37) | x2 -19x + 90 = 0 | 38) | x2 -6x + 5 = 0 |
| 39) | x2 + 15x + 44 = 0 | 40) | x2 -25x + 156 = 0 |
| 41) | x2 + 22x + 117 = 0 | 42) | x2 -9x -22 = 0 |
| 43) | x2 + 19x + 60 = 0 | 44) | x2 + 7x + 12 = 0 |
| 45) | x2 -2x -168 = 0 | 46) | x2 -5x -24 = 0 |
| 47) | x2 -15x + 50 = 0 | 48) | x2 -19x + 70 = 0 |
| 49) | x2 -6x -55 = 0 | 50) | x2 -5x + 4 = 0 |
Joke:
If your father was a mathematician, he would warn you in the form of 'I told you n times; and I told you n+1 times' and so on!