Understand the factor theorem and be able to use it to factorise a polynomial or to determine its zeros.f(a)=0 ⟺ (x−a)f(a)=0 \iff (x - a)f(a)=0⟺(x−a) is a factor of f(x)f(x)f(x).Including when solving a polynomial equation.[Excludes: Equations of degree > 4.]
