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Mathematics 24 Online
OpenStudy (anonymous):

What number must be added to the expression below to complete the square? x2 - 22x

OpenStudy (vispla22):

just square 22 to get 484

OpenStudy (vispla22):

no

OpenStudy (vispla22):

sorry

OpenStudy (anonymous):

Don't you have to divide it by 2 first?

OpenStudy (vispla22):

divide 22 by 2 and get 121

OpenStudy (vispla22):

yeah

OpenStudy (vispla22):

divide it by 2 and square

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