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OpenStudy (anonymous):
When solving x2 - 4x = -7 by completing the square what value is added to both sides of the equation?
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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
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OpenStudy (shayaan_mustafa):
yeah 4
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