SOLUTION: If possible, simplify the ratinoal expression. y^2 - 81 / 2y - 18

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Question 39910: If possible, simplify the ratinoal expression.
y^2 - 81 / 2y - 18
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Let us factor top and bottom and see if anything cancels...so from
y^2 - 81 / 2y - 18 =
(y + 9)(y - 9) / 2(y - 9) =
(y + 9) / 2
The y - 9's cancel...