You may want to review multiplying terms with roots and polynomials by monomials first.

If one factor has more than one term, you proceed just as if it was a polynomial. Multiply the other factor by each term. For example, to multiply aa by −abc2da, you multiply it by the first term (getting −a2bc2√(ad)) and by the second term (getting a2a). So the answer is −a2bc2√(ad) − a2a.

In this case, we couldn't simplify; but, if there are any simplifications to be done, we should do them.