SOLUTION: I am doing a few practice test to brush up before taking a college placement test. One of the questions is: For all r does not equal +-2, r^2-5r+6 / r^2-4 The answer is r-3/r

Algebra.Com
Question 363135: I am doing a few practice test to brush up before taking a college placement test. One of the questions is:
For all r does not equal +-2, r^2-5r+6 / r^2-4
The answer is r-3/r+2
Can you walk me through step by step how to arrive at this answer?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi,





As the denominator cannot = zero, therefore the statement: 

"For all r not equal +-2"



Proceding to simplifying the expression 





result is

 

RELATED QUESTIONS


This problem isn't from a textbook.  It's from a practice booklet for a placement test I... (answered by jim_thompson5910)

Hello,

I am taking some practice test for the College placement test and I am having... (answered by longjonsilver)

Hi. Im trying to brush up on my math skills because i'll be taking a math placement test... (answered by josgarithmetic)

College placement test practice questions with a section on college mathematics.
If {{{... (answered by ewatrrr)

I am having a difficult time with this question, its been 10 years since needing to do... (answered by solver91311)

I am taking a practice test.  One of my questions is: "A rancher is planning to put up... (answered by Fombitz)

I am taking a practice test.  One of my questions is: "A rancher is planning to put up... (answered by Alan3354,rfer)

hi how r u i am trying 2 score higher own my placement test 2 enter college i having... (answered by Alan3354)

i am studying for my college placement test and i was trying to study up on my math when... (answered by vleith)