Question 679309
{{{(sqrt(50x^7y^7))(sqrt(6xy^4))}}}
...
Look for perfect squares
{{{sqrt(300x^8y^11) = sqrt(25*4*3*x^4*x^4*y^5*y^5*y) = 5*2*x^4*y^5sqrt(3y)}}}
...
{{{highlight_green(10x^4y^5sqrt(3y))}}}
.....................
Delighted to help; feel free to email if you have further questions.
HomeworkHelpers@readingboosters.com
-Reading Boosters
Website: www.MyHomeworkAnswers.com 
Wanting for others what we want for ourselves.