Question: 5 Where i is the imaginary unit, the expression (x + 3i) - (2x-3i) is equivalent to (1) -3x (2) -3x-18 (3) -3x +

5 Where i is the imaginary unit, the expression (x + 3i)

5 Where i is the imaginary unit, the expression (x + 3i) - (2x-3i) is equivalent to (1) -3x (2) -3x-18 (3) -3x + 18xi (4)-3x-6xi - 18

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