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=0.9 exam-style questions on Edexcel A Level Old Maths Factor Theorem and Remainder Theorem. Each one has a worked solution and a mark scheme showing where the marks go.