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OpenStudy (anonymous):
Simplify.
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OpenStudy (anonymous):
Simplify what?
OpenStudy (anonymous):
\[(x - \sqrt{7})^{2}\]
OpenStudy (maheshmeghwal9):
\[(a-b)^2=a^2+b^2+2ab.\]& remember; \[(\sqrt{7})^2=7.\]
OpenStudy (anonymous):
^right. do u get it now?
OpenStudy (anonymous):
|dw:1340390282273:dw|
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OpenStudy (maheshmeghwal9):
u mean \[x^2+7=?\]
OpenStudy (anonymous):
close, you need the middle term too.
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
|dw:1340390318382:dw|
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