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Mathematics 20 Online
OpenStudy (anonymous):

(ab-2)(ab+2) plz help

OpenStudy (mertsj):

Have you heard of FOIL?

OpenStudy (anonymous):

Yes I have but idk how to do it in this problem

OpenStudy (mertsj):

What is ab times ab?

OpenStudy (anonymous):

Ab^2

OpenStudy (mertsj):

a^2b^2

OpenStudy (mertsj):

What is ab times 2?

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