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Physics 21 Online
OpenStudy (anonymous):

(-2x+2)^2

OpenStudy (zepp):

Use the property of \((a+b)^2=a^2+2ab+b^2\)

OpenStudy (anonymous):

use the sormula (a + b)^2 = a^2 + 2ab + b^2

OpenStudy (anonymous):

*formula

OpenStudy (zepp):

Ha! Faster :P

OpenStudy (anonymous):

tx you

OpenStudy (anonymous):

lol! >.<

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