Basisbewerkingen gemengd (a+bi)

Bereken

\((-1+9i)-(1-5i)\)

\((-1+9i)-(1-5i)= -1+9i -1+5i =\color{red}{-1-1}\color{blue}{+9i +5i}=\color{red}{-2}\color{blue}{+14i}\)