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Mathematics 9 Online
OpenStudy (anonymous):

square of trinomial (3a+2b-c)^2

OpenStudy (anonymous):

put one more parentheses and take steps to open it \[(\color{red}{(}3a+2b\color{red}{)}-c)^2\]

OpenStudy (anonymous):

treat (3a+2b) as 1"special" term, open the brackets ("special term" -c)^2 =??

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