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Expand: 5 ( n - 1)?? could you please show working out to. Thanks
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1 vote
Expand:
5 ( n - 1)??
could you please show working out to.
Thanks

User Longbiao CHEN
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1 Answer

6 votes
You expand 5(n-1) by multiplying 5 by n which gives you 5n and then multiply 5 by -1 so that gives you -5 and therefore the answer is 5n-5
User MasterAM
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