hi, m is an integer. show that (m+2)^2-m^2-4 is a multiple of 4. i really don't know how to do this so could someone please try and explain this sort of question to me please?! thanks!
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Originally Posted by andyboy179 hi,m is an integer. show that (m+2)^2-m^2-4 is a multiple of 4.
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