Find the coefficient of x^2 in the given product. (Avoid doing any more multiplying than necessary)
1. (x^2 +3x+1)(2x-3)
2. (x^2 -1)(x+1)
3. (x^3 + 2x-6)(x^2 +1)
I need some major help. If someone could show me how to do this, I would really appreciate it!
