Simplify fully x2+7xx2+9x+14\displaystyle \frac{x^2 + 7x}{x^2 + 9x + 14}x2+9x+14x2+7x
Hence solve x2+7xx2+9x+14=3\displaystyle \frac{x^2 + 7x}{x^2 + 9x + 14}=3x2+9x+14x2+7x=3
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.