SOLUTION: I am so lost. need help please and thank you (8)/(r-3)+(8)/(r+3)

Question 392484: I am so lost. need help please and thank you
(8)/(r-3)+(8)/(r+3)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(8)/(r-3)+(8)/(r+3)
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Least common denominator: (r-3)(r+3)
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Rewrite each fraction with the lcm as its denominator:
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[8(r+3)/lcm] + [8(r-3)/lcm]
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Add the numerators over the common denominator:
[8r+24+8r-24]/lcm
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= [16r]/[(r+3)(r-3)]
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Another Form:
= [16r]/[r^2-9]
====================
Cheers,
Stan H.
====================
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