SOLUTION: Here we go again.. List all numbers for which the rational expression is undefined. x^2-4 ______ x^2-8x+15 Thank you in advance :0 ;)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Here we go again.. List all numbers for which the rational expression is undefined. x^2-4 ______ x^2-8x+15 Thank you in advance :0 ;)      Log On


   

Question 327318: Here we go again.. List all numbers for which the rational expression is undefined.

x^2-4
______
x^2-8x+15
Thank you in advance :0 ;)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Undefined when the denominator equals zero.
x%5E2-8x%2B15=%28x-3%29%28x-5%29
Two solutions:
x-3=0
x=3
.
.
.
x-5=0
x=5