It is given that f(x)=x3+2x2−5x−6f(x) = x^3 + 2x^2 - 5x - 6f(x)=x3+2x2−5x−6
One of the expressions below is a factor of f(x)f(x)f(x).
Identify this factor.
Circle your answer.
(x−1)(x - 1)(x−1)
(x+1)(x + 1)(x+1)
(x−3)(x - 3)(x−3)
(x+4)(x + 4)(x+4)
113 exam-style questions on AQA A Level Maths 1.5.6 Polynomials and rational expressions. Each one has a worked solution and a mark scheme showing where the marks go.