Asked by Alex


Simplify the rational expression.

(45y-9xy)/(x^2y-25y)


I got an answer of 9(5-9x)/((x-5)(x+5)) but it seems to be wrong. Can anyone solve this for me and see what they get? Thank you
Answered by MathMate
Read the reply to the last question. There was a mistake in the answer. It should have read:
9(5-x)/((x-5)(x+5))
Answered by Alex
oh I see... but can u still simplify it further by taking -1?
Answered by MathMate
Yes, you're right. So it becomes:
-9/(x+5)
Good job!
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