GCSE Secondary Maths Age 13-17 - Algebra: Algebra - Problem - Explained

The video tutorial explains how to solve a problem involving the area of a square. The problem requires setting up an equation based on the given area, expanding the equation, and simplifying it to find the solution. The tutorial also discusses the marks awarded for each step and mentions alternative methods to solve the problem.

How do you collect like terms in the equation derived from the area of the square?

What alternative method could be used to find the areas of the shapes inside the square?