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November 25, 2015
Posted by **swirl** on Saturday, July 9, 2011 at 9:52pm.

- intermediate algebra -
**Damon**, Saturday, July 9, 2011 at 10:02pmsqrt -8 = i sqrt 8 = 2 sqrt 2 i

sqrt -24 = i sqrt 24 = i sqrt(8*3) = 2i sqrt2 sqrt3

so

2 i sqrt2 * 2 i sqrt2 sqrt3

=

-4*2 sqrt 3

=

-8 sqrt 3