f(x)=x3+4x2+x−6.f(x) = x^3 + 4x^2 + x - 6.f(x)=x3+4x2+x−6.
Use the factor theorem to show that (x+2)(x + 2)(x+2) is a factor of f(x)f(x)f(x).
Factorise f(x)f(x)f(x) completely.
Write down all the solutions to the equation
x3+4x2+x−6=0. x^3 + 4x^2 + x - 6 = 0. x3+4x2+x−6=0.Practise Edexcel A Level Old Maths Factor Theorem and Remainder Theorem with exam-style questions for A Level Old Maths. 9 questions, matched to the Edexcel A Level Old Maths (9371) specification and written in Unit exams C1, C2, C3 and C4 plus two applied units (e.g. S1 and M1) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.