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OpenStudy (anonymous):
3x^2+81=0
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OpenStudy (solomonzelman):
\[3x^2+81=0\]\[3x^2=-81\]\[x^2=-27\]\[x=±3i \sqrt{3}\]
OpenStudy (anonymous):
thank you!
OpenStudy (solomonzelman):
Anytime!
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