SOLUTION: What is the rational expression?: {{{3/(y-5) +y/(y+3) =12/(y^2-2y-15)}}} Thank you for your help!

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Question 242573: What is the rational expression?:
3%2F%28y-5%29+%2By%2F%28y%2B3%29+=12%2F%28y%5E2-2y-15%29

Thank you for your help!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
What is the rational expression?:
{3/(y-5) +y/(y+3) = 12/(y^2-2y-15)
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Multiply thru by (y-5)(y+3) to get:
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3(y+3) + y(y-5) = 12
3y+9 + y^2 - 5y = 12
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y^2-2y-3 = 0
(y-3)(x+1) = 0
y = 3 or y = -1
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Cheers,
Stan H.