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Show me how to do this please? 105/(m+15)(m-15) + 7/2(m+15) Thanks!
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|dw:1331215401354:dw|
take (m+15)common 105/(m-15) + 7/2 (210+7m-105)/2(m-15) (7m-105)/2(m-15) 7(m-15)/2(m-15) cancel (m-15) 7/2(m+15)
|dw:1331216164077:dw|
Is this right?
sorry for the error ans will be 7/2(m-15)
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@star yes, if your denominator is 2(m^2-225) or 2(m-15)(m+15)
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