Question 665744
Simplify the following


1. -3√(12x^3 y^9 )
{{{-3sqrt(12x^3y^9) = -3sqrt(4x^2y^8)*sqrt(3xy)}}}
= {{{-3*2xy^4*sqrt(3xy)}}}
= {{{-6xy^4*sqrt(3xy)}}}
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2. √(6&9) 	
What does the & mean?
3. √(10&32x^5 y^5 )