Question

Find the missing term.

(Blank) + 7 - 3i) + (5 + 91) + 131 = 10 - 5i.

Options:
-2 - 24i
2 - 12i
-12-24
-2 + 141
​

Answer 1

-2 - 24i

Explanation:

a + bi + (7 - 3i) + (5 + 9i) + 13i = 10 - 5i

a + bi + 7 + 5 - 3i + 9i + 13i = 10 - 5i

a + bi + 12 + 19i = 10 - 5i

a + bi = 10 - 5i - 12 - 9i

a + bi = 10 - 12 - 5i - 9i

a + bi = -2 - 24i