Question

How do you simplify `(sqrt(72 x^2))`?

Answer 1

Let's decouple your constant and remove the squared number from your squared root:

`xsqrt(2*2*2*3*3)=xsqrt(2*2^2*3^2)`

Again, we can remove the squared numbers from inside the square root:

`6xsqrt(2)`