(1 - 9i) + (4 + 2i)

= 5 - 7i answer//

(1 - 9 i) + (4 + 2 i) = 5 - 7 i

(1- 9i)+ (4+ 2i)

= 1- 9i+ 4+ 2i

= 5- 7i

I think it's 5 - 7i