How do you simplify 4(3+2i)-5(1-i)?

1 Answer
Apr 21, 2018

$4 \left(3 + 2 i\right) - 5 \left(1 - i\right)$
To open the brackets, simply multiply.
$12 + 8 i - 5 + 5 i$
$\Rightarrow 7 + 13 i$

Hope this helps :)