<PRE><B>Question 121693</B>

((Sqrt 10) - (Sqrt -6))((Sqrt20)- (Sqrt -12)) = ________ + _______i 
(Sqrt 10) - (Sqrt 6i)(Sqrt 20)- (Sqrt 12i)
(sqrt 10 * sqrt 20)  - (sqrt 10* sqrt 12)i - (sqrt 6* sqrt 20)i + sqrt 6* sqrt 12

10 sqrt 2  - 2 sqrt 30 i - 2 sqrt 30 i  + 6 sqrt 2

16 sqrt 2   - 4 sqrt 30 i


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