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(x+4)^2-(x-4)^2

 13.10.2020
 #1
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(x+4)^2-(x-4)^2

 

Hallo Gast!

 

\((x+4)^2-(x-4)^2 \\ =x^2+8x+16-x^2+8x-16 \)

\((x+4)^2-(x-4)^2=16x\)

laugh  !

 
 13.10.2020

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