Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Explore in-depth answers to your questions from a knowledgeable community of experts across different fields. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

If x = 3 and y = -1, then 3x2 + 2xy - 5 = ?
A: 18
B: 24
C: 12
D: 16