Please solve these question in details and fully explaination. Thanks so much.

1 . Solve forz, and give your answer in the form a + bi Z + 2z = -1 + 3i + 4+ Fi I. Find all complex number such that Z= 18: and give your answer in the form a t bi. 3. Find all complex number z such that z?= 15-8i, and give your answer in the form a thi . 4. Find all distinct Looks ( real or complex ) of 2 2 - 62+ 25 . Enter the roots as a comma - seperated list of values of the form at bi