SOLUTION: How do I simplify this radical expression. -3 Square root of 20 times square root of 15. Also this one. -2 square root of 6a cubed times square root of 3a. Thanks

Question 152301: How do I simplify this radical expression.
-3 Square root of 20 times square root of 15.
Also this one.
-2 square root of 6a cubed times square root of 3a.

Thanks
Answer by orca(409) (Show Source): You can put this solution on YOUR website!
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