subtract (3 + 2i) from (-9 - 8i).\n-17 - 5i\n-6 - 6i\n-12 - 10i\n12 + 10i\ndone

Explanation:

Step1: Write the subtraction expression

$(-9 - 8i)-(3 + 2i)$

Step2: Distribute the negative sign

$(-9 - 8i)-3 - 2i$

Step3: Combine like - terms

$(-9-3)+(-8i - 2i)=-12-10i$

Answer:

C. $-12 - 10i$