March 8, 2010
Today we learned a new strategy for multiplying polynomials, called "FOIL". Which stands for first, outside, inside, last.
e.g (6a-2) (6a+3)
F (6a) (6a)= 36a^2
O (6a) (3)= 18a
I (-2) (6a)= -12a
L -(2) (3)= -6
= 36a^2 + 18 -12a
= 36a^2+ 6a -6
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