More guides on this topic

• Dividing and factorising polynomial expressions
• Laws of logarithms and exponents
• Solving polynomial equations
• Solving logarithmic and exponential equations
• Trigonometric expressions
• Solving trigonometric equations
• Identifying and sketching related functions

Related links

• BBC Podcasts: Maths
• BBC Radio 4: Maths collection
• SQA: Higher Mathematics
• Emaths
• Stemnet
• NRICH