How do you simplify sqrt(2x ) div sqrt(9x)2x÷9x?

1 Answer
Sep 20, 2015

sqrt2/323

Explanation:

Rewrite in fractional form:
sqrt(2x) -: sqrt(9x) = sqrt(2x)/sqrt(9x)2x÷9x=2x9x

Remember the rule:
sqrt(ab)=sqrt(a)sqrt(b)ab=ab

so breaking down the roots, we get:
= (sqrt(2)sqrt(x))/(sqrt(9)sqrt(x))=2x9x

Now, sqrt(x)/sqrt(x)=1xx=1 so that's gone, and sqrt(9)=39=3, so we end up having:
= sqrt2/3=23