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Mathematics
OpenStudy (anonymous):

why/how does (3 + deltax)squared = 9 + 6deltax + deltax-squared? If you know, please show workings.

8 years ago
OpenStudy (anonymous):

\[(3 + DeltaX)^{2} = 9 + 6DeltaX + DeltaX ^{2}\]

8 years ago
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