Answer:
13 + 7i
Step-by-step explanation:
We have given complex number
The difference of given complex number is:
(6 + 3i) - ( -7- 4i) = {6 - (- 7)} + {3 -( - 4)}i
⇒ 13 + 7i
Since the difference of two complex number (a + ib) and (c + id) is:
(a - c) + i(b - d)
