Question 14(a)
[Maximum number: 1]
Expand x(x-7)
Edexcel IGCSE Math A Foundation 2.2.C Expanding a Single Term over a Bracket
Practise expanding one bracket by multiplying every term, combining coefficients and applying index laws to algebraic powers.
How this is tested
- multiply the outside coefficient or variable by every term inside the bracket
- apply index laws when expanding terms such as 5k²(k³ + 4)
- preserve the sign of each term before writing the simplified expression