simplest radical form

Question

express the sum of 4√-12 and 3√-27 in simplest radical form in terms of i

Answer 1

express the sum of 4√-12 and 3√-27 in simplest radical form in terms of i

4√-12 + 3√-27

8 * √3 * i + 9 * √3 * i

17√3 * i