GCSE Secondary Maths Age 13-17 - Algebra: Expanding Brackets - Explained

The video tutorial covers the concept of expanding brackets in algebra. It is divided into three parts: Part A focuses on expanding a single bracket with a constant, Part B deals with a single bracket with a variable, and Part C involves expanding and simplifying double brackets. Each part is explained with examples, and the marks allocation for each question is discussed. The tutorial concludes with a summary of the key points and the total marks available.

What is the result of expanding 7(x + 5)?

• 7x + 35

• 7x + 5

• x + 35

• 7x + 12

When expanding 3y(4y - 3), what is the coefficient of y squared?

• 3

• 12

• 9

• 4

What is the result of 3y times -3 in the expression 3y(4y - 3)?

• -9y

• 3y

• 9y

• -3y

In the expression (t + 2)(t + 4), what is the result of combining like terms?

• t^2 + 8t + 8

• t^2 + 6t + 8

• t^2 + 4t + 4

• t^2 + 2t + 4

How many marks are awarded for correctly expanding and simplifying (t + 2)(t + 4)?

• 4 marks

• 3 marks

• 2 marks

• 1 mark