Answer:
−7j+3
Explanation:
It's correct on khan
( -10j ) + 3.
-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
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