SOLUTION: I have to simplify and assume that all variables represent positive numbers...Can you help? Page 526 Number 50 square root of 18x^2y^3

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Question 145355This question is from textbook Beginning Algebra
: I have to simplify and assume that all variables represent positive numbers...Can you help?
Page 526
Number 50
square root of 18x^2y^3 This question is from textbook Beginning Algebra

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify: sqrt%2818x%5E2y%5E3%29
:
Factor inside the radical to reveal the perfect squares
sqrt%282%2A9%2Ax%5E2%2Ay%5E2%2Ay%29
:
Extract the square roots of these perfect squares:
3%2Ax%2Ay%2Asqrt%282y%29
or
3xy%2Asqrt%282y%29