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Mathematics 9 Online
OpenStudy (scarlettthecamel):

Expand and simplify (x-4)^2

OpenStudy (scarlettthecamel):

Is that is expanded or simplified??

OpenStudy (skullpatrol):

both

OpenStudy (scarlettthecamel):

could i have an explanation pls i don't get what i do with the power

OpenStudy (skullpatrol):

FOIL

OpenStudy (twizttiez):

I just expanded it using the binomial theorem

OpenStudy (scarlettthecamel):

oooo ik foil

OpenStudy (skullpatrol):

$$\Huge(x-4)^2 = (x-4)(x-4)$$

OpenStudy (scarlettthecamel):

OH IS THAT WHAT I DO OHHHH OK THNKS!!!

OpenStudy (skullpatrol):

Thanks for asking :)

OpenStudy (scarlettthecamel):

just checking is it 8x+x^2-8

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