Evaluate (-4-3i)+(-6-9i)

$(- 4 - 3 i) + (- 6 - 9 i)$

Step 1

Simplify the expression.

Remove parentheses.

$- 4 - 3 i - 6 - 9 i$

Subtract $6$ from $- 4$ .

$- 10 - 3 i - 9 i$

Step 2

Subtract $9 i$ from $- 3 i$ .

$- 10 - 12 i$