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

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

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

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