Question 224808
(2s^2 +2s)/ (10s^2 +4s)
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(2s)(s+1) / 2s(5s +2),,,,,,cancel  (2s)
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(s+1) / (5s +2)
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check,,,let  s=1,,,answer  for  answer  and  original  =  2/7,,,,ok