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OpenStudy (anonymous):
Multiply and simplify:
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OpenStudy (anonymous):
\[(4 + \sqrt{8})(4 - \sqrt{8})\]
OpenStudy (yttrium):
You can simplify it using difference of two squares. Just square 4 and sqrt(8) then subtract it.
OpenStudy (anonymous):
hm? lol
OpenStudy (yttrium):
Do you know what square means?
OpenStudy (anonymous):
nevermind, i got the answer :)) its 8 :))
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OpenStudy (yttrium):
Nice :)
OpenStudy (anonymous):
thanks :D
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