Rewriting an expression using a radical.

[Cornraker]

Homework Statement

I have to rewrite the following expression using a radical. I know the correct answer according to my textbook is 4x√x.

Homework Equations

$$4x ^{3/2}$$

The Attempt at a Solution

√$$4x^3$$

is this the right start?

 

[rock.freak667]

4x^3/2 is 4*x^3/2


remember that

$$\sqrt[q]{x^p}=x^{\frac{p}{q}}$$