Question

Calcule a) 2. (3-2i)-3. (4+i)=

Answer 1

$2.(3 - 2.( - 1)) - 3.(4 + ( - 1)) = \\ 2.(3 + 2) - 3.(4 - 1) = \\ 2 \times 5 - 3 \times 3 = 10 - 9 = 1$