Question

Write (3 - 3i)(1 - 6i) as a complex number in standard form

Answer 1

-15-2i

Explanation:

(3-3i)(1-6i)

3-18i-3i+18i^2

3-2i-18

-15-2i

Answer 2

-15 - 21i

Explanation:

Step 1: FOIL

(3 - 3i)(1 - 6i)

(3 * 1) + (3 * -6i) + (-3i * 1) + (-3i * -6i)

(3) + (-18i) + (-3i) + (18i^2)

3 - 18i - 3i - 18

-15 - 21i

Answer: -15 - 21i