First one posted...well done. Nice set up with colour coding While your method is fine FOIL stands for First Outer Inner Last (you got outer and inner backwards but it does not make a difference in the end). Your answer should be written with the terms in descending order from highest to lowest degree. Technically, your first binomial would also be written like this (a+3) and the order for the last one would fall into place.
First one posted...well done.
ReplyDeleteNice set up with colour coding
While your method is fine FOIL stands for First Outer Inner Last (you got outer and inner backwards but it does not make a difference in the end).
Your answer should be written with the terms in descending order from highest to lowest degree. Technically, your first binomial would also be written like this (a+3) and the order for the last one would fall into place.