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OpenStudy (qqstory):
x^2=21-radical x^2-9
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OpenStudy (qqstory):
Solve for x
OpenStudy (mertsj):
Subtract 21 from both sides and ten square both sides.
OpenStudy (qqstory):
x^4-441=-x^2+9
OpenStudy (mertsj):
|dw:1335743170461:dw|
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