Write 2/2-15i in standard form

Multiple top and bottom by conjugate of 2-15i what will be 2+15i and will get 

       2           2(2+15i)               4 +30i           4 + 30i       4 +30i
= = = =
 2 - 15i       (2-15i)(2+15i)       4 -(-225)      4 + 225         229

hope this will help you