Posted by **Skye** on Friday, May 30, 2014 at 6:42pm.

Find the least common denominator of the two rational expressions.

4k 2

________ + ________

k^2 - 9 3 - k

- MATH -
**Steve**, Saturday, May 31, 2014 at 5:42am
LCD = (k-3)(k+3) = k^2-9

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