SOLUTION: So I'm working on a problem a-4 / 3a-12. I worked it out to a-4 / 3(a-4). By taking out the GCF which was 3 for the bottom. Then a-4 would cancel each other out leaving 3. When I l

Algebra ->  Rational-functions -> SOLUTION: So I'm working on a problem a-4 / 3a-12. I worked it out to a-4 / 3(a-4). By taking out the GCF which was 3 for the bottom. Then a-4 would cancel each other out leaving 3. When I l      Log On


   

Question 349668: So I'm working on a problem a-4 / 3a-12. I worked it out to a-4 / 3(a-4). By taking out the GCF which was 3 for the bottom. Then a-4 would cancel each other out leaving 3. When I looked at the answer it says its 4 how could that be?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You're correct.
%28a-4%29+%2F+%283a-12%29=%28a-4%29%2F%283%28a-4%29%29
%28a-4%29+%2F+%283a-12%29=highlight%281%2F3%29