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Algebra 19 Online
OpenStudy (anonymous):

(n+8)(n-2)

OpenStudy (anonymous):

Do you know about FOIL??

OpenStudy (e.cociuba):

Use F.O.I.L...

OpenStudy (anonymous):

what is foil?

OpenStudy (e.cociuba):

(n +8)(n-2) n^2-2n+8n-16 Combine the like terms and you get: n^2+6n-16

OpenStudy (e.cociuba):

So, y=n^2+6n-16

OpenStudy (anonymous):

Just mulitply n with (n-2) and then +8 with (n-2)..

OpenStudy (anonymous):

Ok thank you!

OpenStudy (e.cociuba):

F-first O-outside I-inside L-lasts

OpenStudy (e.cociuba):

Np :) But do u understand wat I just did?

OpenStudy (hexagon001):

@e.cociuba foil is clever.. thanks

OpenStudy (e.cociuba):

Np ;)

OpenStudy (anonymous):

n(n-2)+8(n-2) =n^2-2n+8n-16 =n^2+6n-16

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