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Mathematics 11 Online
OpenStudy (narissa):

Please help

OpenStudy (narissa):

OpenStudy (narissa):

@jhonyy9

jhonyy9 (jhonyy9):

what you think about 28=4*7 and 49=7*7 ?

OpenStudy (narissa):

C?

OpenStudy (narissa):

A

jhonyy9 (jhonyy9):

in case of C - 4u squared is 16u^2 - so this is right ?

jhonyy9 (jhonyy9):

yes this is A bc 2u squared you get 4u^2 exactly

OpenStudy (narissa):

ok thanks

OpenStudy (anonymous):

\[(2 u-7)^2 \]

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