<PRE><B>Question 252924</B>
multiply and simplify. show your steps.
1. square root of 15b
Nothing to do.
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2. square root of 5(2 square root of 10+ square root of 2x)
sqrt(5)*(2sqrt(10) + sqrt(2x))
= 2sqrt(50) + sqrt(10x)
= 10sqrt(2) + sqrt(10x)
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3. (2-square root of 6)(1 + square root of 6) 
= 2 - 6 + sqrt(6)
= -4 + sqrt(6)
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