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OpenStudy (anonymous):
-3(x+9)^2=-63
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OpenStudy (anonymous):
Divide both sides by \(-3\) to get $$(x+9)^2=21$$Do you know how to undo a square?
OpenStudy (anonymous):
what do you mean by undo ?
OpenStudy (anonymous):
square root of 21 is 4.6 right ?
OpenStudy (anonymous):
Approximately, sure.
OpenStudy (anonymous):
so i try to do everything and the answer is x=-4.4 or/and -13.6 ?
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