Question 673725
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Hi,
F	First terms
O	Outside terms
I	Inside terms
L	Last terms
a.) (x + &#8730;y)(x - &#8730;y) = x^2 + y   ||Note: x^2 designates x squared
b.) (2 - &#8730;3)(2 + &#8730;3) = 4 - 3 = 1
c.) (&#8730;6 + &#8730;2)( &#8730;6 - &#8730;2) = 6-2 = 4
d.) (4 - &#8730;5)(4 + &#8730;5) = 16 - 5 = 11