Rational Expressions

[apro]

Hi, a book i have gives the problem as 2/x; and the solution as x=0 for simplify rational expression. Could you explain how solution is x=0

Thanks

 

[stapel]

Hi, a book i have gives the problem as 2/x; and the solution as x=0 for simplify rational expression. Could you explain how solution is x=0

Please reply with the full and exact text of the exercise, and the complete instructions. Thank you.