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