find the 100 term of 3,4,5,.....
0.386*x^2-2857.26*x-1500=0
2x + 4 = 2
174096
179088
495793
538700
3803142
2775354
671853
2679431
1/x+2/x=15
(21 2/3 )^2
697217
4x-3=2x+7
