Simplify -10*(-9+8i)

$- 10 \cdot (- 9 + 8 i)$

Step 1

Apply the distributive property.

$- 10 \cdot - 9 - 10 (8 i)$

Step 2

Multiply.

Multiply $- 10$ by $- 9$ .

$90 - 10 (8 i)$

Multiply $8$ by $- 10$ .

$90 - 80 i$