Respuesta :

Answer:

B

Step-by-step explanation:

Given

(5 + 7i) + (- 2 + 6i ) ← remove parenthesis and collect like terms

= 5 + 7i - 2 + 6i

= 3 + 13i → B

Answer:

The answer is B. 3+13i

Step-by-step explanation:

1. (5+7i)+(-2+6i)

Remove parentheses

2. 5+7i-2+6i

Subtract

Collect the like terms

3. 5-2+7i+6i

4. 3+13i

Hope this helps!!!

please mark as brainliest:)