Two students factored the following polynomial. Both came up with different answers.
3×2+42x+72
Student 1: (x+2)(x+12) Student 2: 3(x+2)(x+12)
- Which answer is correct? Give evidence.
- What was wrong with that is incorrect? Explain what they did wrong.
What important note can you make about factoring that you’ve learned from mistakes made on this problem?