SOLUTION: multiply using formula :(a+b+c) (b+c-a) (c+a-b) (a+b-c)

Question 1043966: multiply using formula :(a+b+c) (b+c-a) (c+a-b) (a+b-c)
Answer by josgarithmetic(39627) (Show Source): You can put this solution on YOUR website!

Several use of number property arrangements allows the advantage of Difference of Two Squares.

-----Either this one or
-----this one would be best
done using a lattice arrangement for multiplying.

Sixteen terms initially occur and a few of them drop due to additive inverses.

-----Or this can be arranged for neatness of indicating the additions of terms.
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