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Mathematics 7 Online
OpenStudy (anonymous):

(w-8) * (w+2)

OpenStudy (anonymous):

use FOIL do you know how?

OpenStudy (anonymous):

@Ash_Uchiha

OpenStudy (anonymous):

Stay with me, I'll help you but I need to know what you know.

OpenStudy (anonymous):

Sorry yes i just hate foiling

OpenStudy (anonymous):

Okay, it's not too hard. (w-8) * (w+2) w * w = a -8 * w = b w * 2 = c -8 * 2 = d a + b + c + d

OpenStudy (anonymous):

so w^2+2w-8w-16?

OpenStudy (anonymous):

@jcpd910

OpenStudy (anonymous):

(w-8) * (w+2) w^2 - 8w + 2w - 16 Then combine like terms.

OpenStudy (anonymous):

So w^2-6w-16? @jcpd910

OpenStudy (anonymous):

Correct. :D

OpenStudy (anonymous):

Thank you!

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