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Algebra
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OpenStudy (anonymous):
why is the square root of x+4=x-2 extraneous?
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OpenStudy (anonymous):
graph it
OpenStudy (anonymous):
but it doesnt tell me to graph it it just wants me to explain why its extraneous, i know theres a rule if it has a negative in it but i cant remember. Do you know it?
OpenStudy (anonymous):
@sourwing
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