Simplify fully x2−4x−21x2−10x+21\displaystyle \frac{x^2 - 4x - 21}{x^2 - 10x + 21}x2−10x+21x2−4x−21
Practise Edexcel GCSE Maths Algebraic Fractions with exam-style questions for Foundation and Higher tier. 64 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.