SOLUTION: I have problem finding the square please help? Simplify, Assume all variables represent positive numbers. problem #5 square root radical of 18x^2 y^3 thank you

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Question 144947This question is from textbook Toby Slater beginning Algebra
: I have problem finding the square please help?
Simplify, Assume all variables represent positive numbers.
problem #5 square root radical of 18x^2 y^3 thank you This question is from textbook Toby Slater beginning Algebra

Answer by nerdybill(6960) (Show Source):
You can put this solution on YOUR website!
Your problem:
sqrt(18x^2 y^3)
Start by "factoring" terms inside the radical. For example, let's expand the x's and the y's:
sqrt(18xxyyy)
When you see a "pair" pull it out of the radial:
xy[sqrt(18y)]
Now, expanding the 18:
xy[sqrt(2*3*3*y)]
Pulling out the pair of 3:
3xy[sqrt(2y)]
Does that make sense?