SOLUTION: simplify by removing factors of 1 r^2-81/r^2-18r+81 I can simplify this to (r-9)(9+r)/r^2+63 but I am not sure what they want or mean by removing the factor of 1

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: simplify by removing factors of 1 r^2-81/r^2-18r+81 I can simplify this to (r-9)(9+r)/r^2+63 but I am not sure what they want or mean by removing the factor of 1       Log On


   

Question 457206: simplify by removing factors of 1
r^2-81/r^2-18r+81
I can simplify this to (r-9)(9+r)/r^2+63 but I am not sure what they want or mean by removing the factor of 1

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It's not r^2 + 63, it's (r-9)^2