Question

(6+5i)+(3-4i)?
efetue as operaçoes indicadas

Answer 1

(6+5i)+(3-4i)=0
6+5i+3+4i=0
6+3+5i+4i=0
9+9i=0
9i=-9
i= -9
     9
i=-1 

Answer 2

6+5i+3-4i
9 +5i-4i
9+i