Respuesta :

Answer:

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

Answer =  5 + i

Step-by-step explanation:

Group the real part and the imaginary part of the complex number

( 7 - 4i ) + (-2 + 5i )

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

Refine = 5 + i

7-2 + -4i +5i
5+i
The answer is 5 plus I