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Mathematics 10 Online
OpenStudy (anonymous):

I need help with a square root problem..

OpenStudy (anonymous):

\[\sqrt{-5b _{}^{2}}\] = 5|b|..can somebody explain how this works?

OpenStudy (anonymous):

I can see where they got the |b|, but not the 5...

OpenStudy (anonymous):

HELP!...it's getting late and my brain will be shutting down mathematically, very soon..

OpenStudy (saifoo.khan):

what cant u understand?

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