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Mathematics 14 Online
OpenStudy (anonymous):

Simplify.

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|

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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