SOLUTION: I am in deep need of help simplifying the rational expression: Here is the problem. x^2-7x+12 over x^2-16 Thanks for anybody that can help!

Algebra ->  Radicals -> SOLUTION: I am in deep need of help simplifying the rational expression: Here is the problem. x^2-7x+12 over x^2-16 Thanks for anybody that can help!      Log On


   

Question 152045This question is from textbook Intermediate Algebra
: I am in deep need of help simplifying the rational expression:
Here is the problem.
x^2-7x+12 over x^2-16
Thanks for anybody that can help! This question is from textbook Intermediate Algebra

Found 2 solutions by nabla, checkley77:
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
Factor top and bottom in order to cancel.
x^2-7x+12=(x-3)(x-4)
x^2-16=(x+4)(x-4)
So, we can cancel the (x-4)'s when these are combined into a fraction.
This leaves
(x-3)/(x+4) as our solution!

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(x^2-7x+12)/(x^2-16)
(x-4)(x-3)/(x-4)(x+4)
(x-3)/(x+4)