Mackenzie1111 Mackenzie1111
  • 09-03-2016
  • Mathematics
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What is
m(n+1)-n(m-1)

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mecca99
mecca99 mecca99
  • 09-03-2016
m(n+1)-n(m-1)          (distribute m into (n+1))
mn+1m-n(m-1)          (distribute -n into (m-1))
mn+1m-nm+1n         (collect like terms) (the mn cancel out) 
m+n 
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