Question

(7 - 10i) – (3 + 30i) =
Express your answer in the form (a - bi).
x​

Answer 1

4 - 40i.

Explanation:

(7 - 10i) – (3 + 30i)

= 7 - 10i - 3 - 30i

= 7 - 3 - 10i - 30i

= 4 - 40i

Hope this helps!

Answer 2

Hey there! :)

Answer:

4 - 40i

Explanation:

Subtracting the two expressions:

(7 - 10i) - (3 + 30i)

Distribute the negative sign:

7 - 10i - 3 - 30i

Combine like terms:

4 - 40i