Question

Simplify (8 + 7i) + (2 – i)
A) 10 + 6i
B) 16
C) 4
D) 10 + 8i

Answer 1

10 + 6 i

...................

Answer 2

For this case, we must add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed

So:

`(8 + 7i) + (2 - i) =\\8 + 7i + 2-i =\\8 + 2 + 7i-i=\\10 + 6i`

Answer:

`10 + 6i`

Option A