Question

Resolva a multiplicação: (1 + i) . (2 – 2i)​

Answer 1

$\mathsf{(1+i)(2-2i)=2-2i+2i-2i^2}\\\mathsf{2-2.(-1)=2+2=4}$

$\boxed{\boxed{\boxed{\boxed{\mathsf{(1+i) (2-2i)=4}}}}}$