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Mathematics 8 Online
OpenStudy (anonymous):

(2x -1)²

jhonyy9 (jhonyy9):

do you know (a-b)^2 = ?

OpenStudy (anonymous):

4x^2+1-4x

jhonyy9 (jhonyy9):

sure ?

OpenStudy (anonymous):

4x^2-4x+1

jhonyy9 (jhonyy9):

yes

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