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OpenStudy (anonymous):
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OpenStudy (anonymous):
\[-4\sqrt{x+9}=20\]
OpenStudy (nubeer):
divide both sides by -4 2)take square on both sides.
OpenStudy (nubeer):
3) subtract 9 on both sides.
OpenStudy (nubeer):
damn how can i be so stupid.
OpenStudy (anonymous):
You can take the negative, just use i.
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OpenStudy (anonymous):
Im confused which one is it? how do i solve this?
OpenStudy (anonymous):
Yes it deals with complex numbers
OpenStudy (anonymous):
thats it?
OpenStudy (anonymous):
ok THanks
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