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Mathematics 7 Online
OpenStudy (anonymous):

When solving x2 - 4x = -7 by completing the square what value is added to both sides of the equation?

OpenStudy (anonymous):

8 4 2 -2

OpenStudy (shayaan_mustafa):

2

OpenStudy (anonymous):

4

OpenStudy (shayaan_mustafa):

yeah. its lol. i write it without squared. LOL

OpenStudy (anonymous):

It should be (x-2)^2, and -2*-2=4, so add 4 to both sides

OpenStudy (shayaan_mustafa):

yeah 4

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