SOLUTION: Divide and simplify...I have worked this problem and I'm not sure if I have done it correctly. r^2+5r/r^2+4r-5 divided by r/r+1 I came up with r+1/r-1 for an answer. Am I on the ri

Question 404141: Divide and simplify...I have worked this problem and I'm not sure if I have done it correctly. r^2+5r/r^2+4r-5 divided by r/r+1 I came up with r+1/r-1 for an answer. Am I on the right track?
(r^2+5r)(r+1)=(r+5)(r+1)=r+1*x(x+5)
(r^2+4r-5)=(r+5)(r-1)r=r-1*x(x-5)
I have gotten confused and need to know if I am on track. Thanks!
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!

Let's see, we will go thru it step-by-step
:
Invert the dividing fraction and multiply
*
:
Factor
*
:
Cancel (r+5) and r, leaving
* = ; so you're absolutely right, way to go.
:
:
But I am not sure about, what's meant here;
(r^2+5r)(r+1)=(r+5)(r+1)=r+1*x(x+5)
(r^2+4r-5)=(r+5)(r-1)r=r-1*x(x-5)
:
How did x get in there?
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