1. anonymous

$\sqrt{125}/\sqrt{4x^3}$ $\sqrt{125}\sqrt{4x^3}/4x^3$ $\sqrt{500x^3}/4x^3$ $10\sqrt{5x^3}/4x^3$$5\sqrt{5x^3}/2x^3$

2. anonymous

Thanks

3. anonymous

I don't get the last two steps.