Solving Equations and Inequalities, and Factoring Expressions

The video tutorial covers Paper 20 of the Edexcel 2018 IGCSE series, focusing on algebra skills. It includes a step-by-step guide to rearranging formulas, solving inequalities, and factorizing expressions. The tutorial emphasizes the importance of understanding where marks are allocated and provides tips for exam preparation, such as having the right equipment and using the formula sheet. The video concludes with a reminder to practice and revise these skills for a successful exam outcome.

What techniques can be used to ensure maximum marks in an exam?

What should you remember about the formula sheet provided during the exam?

What is the first step to isolate 'a' in the formula M = AC - BD?

What are the two marks available for in part A of question one?

Explain how to solve the inequality 5X - 4 < 39.

How should you treat the inequality symbol when solving inequalities?

What is the final answer for the inequality 5X - 4 < 39?

What is the highest common factor of 18 and 12?

Describe the process of factorizing the expression 18E^2F^3 - 12E^3F.

What is the importance of writing down every step in your working?