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OpenStudy (anonymous):
Need help, did something wrong somewhere but can't find it. :(
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OpenStudy (anonymous):
OpenStudy (anonymous):
I know how to do it the short way, where you'll end up with 2x+1, but i also want to know how to do it the long way.
OpenStudy (unklerhaukus):
\[(x+\Delta x)^2=x^2+2x\Delta x+\Delta x^2\]
OpenStudy (anonymous):
OKkay, thank you!
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