They are opposite operations.
Ex: product of a sum and difference... (x+a)(x-a) = x2 - a2
but the difference of squares factors as a sum and a difference...
x2 - a2 = (x+a)(x-a)
See... opposites, they just reverse.
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shaded area is of special intest
There is no specific name. For example, (-2)*(-3) = +6 but there is no special name for -2 and -3.
A product is the answer when you're multiplying two numbers together.
The relations between France and Germany, since 1871, according to Krotz, has three grand periods: 'hereditary enmity' (down to 1945), 'reconciliation' (1945â??63) and since 1963 the 'special relationship' embodied in a cooperation called Franco-German Friendship.