Simplify:

$(36x^2)^{\dfrac{1}{2}}$

$(36x^2)^{\dfrac{1}{2}}\\[1em] = [(6x)^2]^{\dfrac{1}{2}}\\[1em] = (6x)^{2 \times \dfrac{1}{2}}\\[1em] = (6x)^{\dfrac{2}{2}}\\[1em] = 6x$

$(36x^2)^{\dfrac{1}{2}} = 6x$