Cho đa thức F(x) = 2x- 4

a, Tìm nghiệm của F(x)

b, Chứng tỏ đa thức G(x) \(=F\left(x\right)+x^2-x+6\) vô nghiệm

 Add tag questions to the following

1. That's the shop where you used to work, ________?

2. That's the guy who was on TV the other night,______?

3. That's the guy that won the pools,__________?