SOLUTION: Why is it that there may be numbers that will not work? How do you know from your rational expression what numbers are not in the solution?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Why is it that there may be numbers that will not work? How do you know from your rational expression what numbers are not in the solution?      Log On


   



Question 212367: Why is it that there may be numbers that will not work? How do you know from your rational expression what numbers are not in the solution?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
give an example.