Question

How do you use the factor theorem to determine whether x+1 is a factor of `x^3 - x^2 + 3x -3`?

Answer 1

If `x-r` is a factor of a polynomial `P(x)` then `P(r)=0`.But here

`x-(-1)` is not a factor of `x^3-x^2+3x-3`