Answers

2014-06-08T15:13:05+05:30
(2/x + 3)(2/x - 7)
1-(14/x)+(6/x)-21
-20(14/x)+(6/x)
-20(14+6)/x
-20-(14x+6x)
-20-20x
-20x = -20
x = -20+20
x = 0
0