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