Simplify fully x2+7x+12x2−x−12\displaystyle \frac{x^2 + 7x + 12}{x^2 - x - 12}x2−x−12x2+7x+12
255 exam-style questions on OCR GCSE Maths Algebraic Fractions. Each one has a worked solution and a mark scheme showing where the marks go.