f(x)=2x3−5x2−21x+36f(x) = 2x^3 - 5x^2 - 21x + 36f(x)=2x3−5x2−21x+36
Use the factor theorem and division to factorise f(x)f(x)f(x) completely.
257 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 7.1 Algebraic Fractions, 7.2 Dividing Polynomials, 7.3 The Factor Theorem, 7.4 Mathematical Proof, and 7.5 Methods of Proof. Each one has a worked solution and a mark scheme showing where the marks go.