Question

What is a-2b, where a=4-2i and b=3+2i?

Answer 1

Answer: -2-6i

Explanation:

If a=4-2i and b=3+2i,

a-2b becomes 4-2i-2(3+2i).

4-2i-6-4i = -2-6i

(Grouping the like terms together)