SOLUTION: (x^2-9x+20)/(x-4)

Algebra ->  Formulas -> SOLUTION: (x^2-9x+20)/(x-4)      Log On


   

Question 747022: (x^2-9x+20)/(x-4)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
%0D%0A%28x%5E2-9x%2B20%29%2F%28x-4%29%0D%0A


Since the numerator can be factored


%0D%0A%28%28x-4%29%28x-5%29%29%2F%28x-4%29%0D%0A


We can cancel any common factors
%0D%0Ax-5%0D%0A


obviously the original expression will still not be defined when x=4

:)