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OpenStudy (anonymous):
Solve x2 - 7x = -13.
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OpenStudy (zale101):
The equation looks like a quadratic equation, agree?
OpenStudy (zale101):
it does, so set the equation equal to zero by adding both sides by 13 :)
OpenStudy (zale101):
and use the quadratic formula
OpenStudy (anonymous):
ok i did that and i got \[-7 + or - i \sqrt{3}/2\]
OpenStudy (anonymous):
@Zale101
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OpenStudy (zale101):
|dw:1405664248986:dw|
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