Show that the equation x3+5x=2x^3 + 5x = 2x3+5x=2 can be rearranged to give: x=25−x35\displaystyle x = \frac{2}{5} - \frac{x^3}{5}x=52−5x3
124 exam-style questions on OCR GCSE Maths Iteration. Each one has a worked solution and a mark scheme showing where the marks go.