GCSE Maths Practice: factorising-expressions

Question 10 of 10

This question tests recognising and factorising perfect square trinomials.

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\( \text{Which of the following are correct factorisations of } x^2 - 4x + 4? \)

Select all correct options:

\( (x - 2)^2 \) \( (x + 2)^2 \) \( (x - 4)(x - 1) \) \( x(x - 4) \)

Always expand your factorisation to verify it matches the original expression.

Perfect square trinomials can be written as (a ± b)^2.