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Mathematics 17 Online
OpenStudy (anonymous):

product of (x - 7)(y - 9) ??

OpenStudy (saifoo.khan):

Heard of FOIL?

Parth (parthkohli):

\(\Large \color{MidnightBlue}{\rightarrow x(y - 9) - 7(y - 9) }\)

OpenStudy (anonymous):

Oh yeah! Duh!

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