SOLUTION: How do you simplify: b/b^2-4 + 2/b^2 - 4 Thank you!

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Question 294223: How do you simplify:
b/b^2-4 + 2/b^2 - 4

Thank you!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do you simplify:
b/b^2-4 + 2/b^2 - 4
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least common denominator: (b^2-4)
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Combine the numerators over the lcd:
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(b+2)/(b^2-4)
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Factor the denominator:
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= (b+2)/[(b+2)(b-2)]
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= 1/(b-2)
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Cheers,
Stan H.