Question

add or subtract. write the answer in standard form. -3 + (8 + 2i) + 7i = \square

Explanation:

Step1: Combine real parts

Real parts are -3 and 8. So, $-3 + 8 = 5$.

Step2: Combine imaginary parts

Imaginary parts are $2i$ and $7i$. So, $2i + 7i = 9i$.

Step3: Combine real and imaginary results

Combine the results from step1 and step2: $5 + 9i$.

Answer:

$5 + 9i$