SOLUTION: i just dont understand how to do these problems OR how to FOIL someone help me!!!!

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Question 37958: i just dont understand how to do these problems
OR how to FOIL
someone help me!!!!
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
FOIL FIRST OUTER INNER LAST (X+4)(X-5) FIRST=X*X OR X~2 OUTER=4*-5 OR -20 INNER=4X OUTER=-5X
NOW PUT THEM ALL TOGETHER THUS X~2-20+4X-5X OR X~2-X-20