Algebra

please help. I am not sure if this is correct. I need to simplify this to the lowest terms

a^2 - 4b ^2
_____ ______
a+2b a+2b

my answer is:

a^2-4b^2
_________
a+2b

is this really to the lowest term?? for some reason I think I am doing this wrong. Thank you!

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  1. you are correct, as far as you have gone. However, since

    a^2 - 4b^2 = (a-2b)(a+2b), you wind up with just

    a-2b

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  2. 12a^3b/-6ab^5

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