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  • 21-05-2016
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what is 3m+15 factorised

Respuesta :

tinmann tinmann
  • 21-05-2016
Ok, so the answer is 
3(m + 5)

This is because when you expand it, it is 3 x m which is 3m, and then 3 x 5 which is 15,
which leads you to an answer of 3m + 15.  - that's how you know if it's correct. 
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