SOLUTION: I need help solving this problem. 3s/s^2-49+s/s-7

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Question 604836: I need help solving this problem.
3s/s^2-49+s/s-7
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3s/s^2-49+s/s-7
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[3s/[(s-7)(s+7)]] + s/(s-7)
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least common denominator: (s-7)(s+7)
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= (3s)/lcd + [s(s+7)]/lcd
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Combine the numeraors over the lcd:
= [3s + s^2+7s]/lcd
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= [s^2+10s]/[(s-7)(s+7)]
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Cheers,
Stan H.
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