How do you simplify #(-4-4i)(1-3i)#?
1 Answer
Jan 11, 2017
Explanation:
distribute the brackets using, for example, the FOIL method.
#(-4-4i)(1-3i)=-4+12i-4i+12i^2#
#color(orange)"Reminder: " i^2=(sqrt(-1))^2=-1#
#rArr-4+8i+12i^2=-4+8i-12=8i-16#
