Simplify sqrt(72x^3)-5xsqrt(2x). Assume that each radical represents a real number.

Question

I need all of the steps.
Thanks

Answer 1

sqrt(72x^3)-5xsqrt(2x)
=sqrt((6x)²*2x)-5x sqrt(2x)
=6x sqrt(2x)-5x sqrt(2x)
=x sqrt(2x)