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sean
01-09-2002, 12:52 PM
Take the first element of the first set of parantheses, multiply by the two in the next seperately, then do the same with the second element. i.e. (a * b)(c * d) would figure out to be:

a*c + a*d + b*c + b*d. Then you just reduce like terms. There should be a trinomial at the end for the result.