Answer:
( -10j ) + 3.
Step-by-step explanation:
-5j + ( 2j ) + 3 - 5j + ( -2j ) (Collect all similar entities with the same +/- sign)
= -5j -5j -2j + 3 + 2j (Sum up all entities regardless of the sign)
= -12j + 3 + 2j (resolve using basic arithmetics)
= -10j + 3