# Math Help - Show an Expression is a Multiple of 4

1. ## Show an Expression is a Multiple of 4

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!

2. Originally Posted by andyboy179
hi,m is an integer. show that (m+2)^2-m^2-4 is a multiple of 4.

$(m+2)^2-m^2-4=...=4m$