Simplify fully x2+5xx2+(k+5)x+5k\displaystyle \frac{x^2 + 5x}{x^2 + (k+5)x + 5k}x2+(k+5)x+5kx2+5x, giving your answer in terms of kkk.
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.