Solve

-i-2-(6-4i)-(5-2i)

// Original equation.

(-i) - 2 - (6 - 4i) - (5 - 2i)

// Distribute negatives.
-i - 2 - 6 + 4i - 5 + 2i

// Combine like terms.
((-2) + (-6) + (-5)) + ((-i) + 4i + 2i)

// Solve.
(-13) + 5i

// Answer.
5i - 13