Thursday

August 21, 2014

August 21, 2014

Posted by **dan** on Thursday, April 1, 2010 at 9:35pm.

Simplify...

-45 x -20 =

is it??

-45*-20

-900

3-30

- Algebra 2 -
**Reiny**, Thursday, April 1, 2010 at 9:41pm√-45√-20

= (3i√5)(2i√5)

= 6i^2√25

= -6(5)

= -30

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