Question 666077
	
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Hi,
Simplify and express (4+i)(4-i) in the form a+bi
(4+i)(4-i) = 16 + 1 = 17
Verify with FOIL
F	First terms 16
O	Outside terms -4i
I	Inside terms   4i
L	Last terms  {{{ i(-i) = -i^2 = 1}}}  Note i^2 = -1