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OpenStudy (anonymous):
Solve for x. 5x2 – 80 = 0 A. {4, –4} B. {16} C. {16, –16} D. {4}
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OpenStudy (anonymous):
\[5x ^{2} -81=0\]
OpenStudy (butterflydreamer):
81 or 80..?
OpenStudy (anonymous):
sorry its 80
OpenStudy (butterflydreamer):
no problem :) |dw:1429103206516:dw|
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