SOLUTION: simplify by removing factors of 1 z^2-8z+15/z^2+4z-45

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Question 271825: simplify by removing factors of 1
z^2-8z+15/z^2+4z-45

Answer by dabanfield(803) About Me  (Show Source):
You can put this solution on YOUR website!
simplify by removing factors of 1
z^2-8z+15/z^2+4z-45
0 solutions
(z^2-8z+15)/(z^2+4z-45) =
[(z-5)*(z-3)]/[(z-5)*(z+9)]
The factor (z-5) "cancels" or (z-5)/(z-5) = 1 so we are left with:
(z-3)/z+9