maTH
posted by Anonymous .
x(x  1)(x + 1). Would you FOIL the parenthesis first or multiply the x by (x1) first?

maTH 
drwls
It doesn't matter. You will get the same answer. It will go a bit faster if you recognize that
(x  1)(x + 1)= x^2 1
and then multiply that by x.
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