F(x)=x^3-3x^2-x+3
Factor each by grouping

Answer:
F(x) = (x - 3) (x + 1) (x - 1)
Step-by-step explanation:
F(x)=x³-3x²-x+3 = x² (x - 3) - (x - 3) = (x - 3) (x² - 1) = (x - 3) (x + 1) (x - 1)