Question

I need help with this question, can someone please help me out?? and if . you understand, please show work, so I could understand that would greatly be appreciated!

Answer 1

4). 47 - 29i

Explanation:

(5+√-36)*(1-√-49)=5*1 -5√-49+1*√-36 -√-36√-49 = 5-5*7i +6i-6i*7i=

=5-35i+6i-42(-1)=5+42-41i= 47 - 29i