Simplify fully x2+x−20x2−7x+12\displaystyle \frac{x^2 + x - 20}{x^2 - 7x + 12}x2−7x+12x2+x−20
255 exam-style questions on Edexcel GCSE Maths Algebraic Fractions. Each one has a worked solution and a mark scheme showing where the marks go.