Use the factor theorem to show that (x+4)(x + 4)(x+4) is a factor of 2x3+x2−25x+122x^3 + x^2 - 25x + 122x3+x2−25x+12.
Factorise 2x3+x2−25x+122x^3 + x^2 - 25x + 122x3+x2−25x+12 completely.
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.