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OpenStudy (superhelp101):
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OpenStudy (superhelp101):
@satellite73 @zepdrix help please:)
OpenStudy (anonymous):
\[2x^2 - 8x = -7\]\[x^2-8x+7=0\]
OpenStudy (anonymous):
\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]with \[a=2,b=-8,c=7\]
OpenStudy (anonymous):
oops dropped the two by accident in the first response but the second is right
OpenStudy (superhelp101):
is D right? @satellite73
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