Question

Combine the like terms to create an equivalent expression: − 5 j + ( − 2 j ) + 3 −5j+(−2j)+3minus, 5, j, plus, left parenthesis, minus, 2, j, right parenthesis, plus, 3

Answer 1

−7j+3

Explanation:

It's correct on khan

Answer 2

( -10j ) + 3.

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