GCSE Maths Practice: factorising-expressions

Question 5 of 10

This question tests factorisation of quadratics using the AC method.

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\( \text{Factorise the expression } 3x^2 - 11x - 4 \)

Choose one option:

\( (3x + 1)(x - 4) \) \( (3x - 1)(x + 4) \) \( (3x + 4)(x - 1) \) \( (x + 1)(3x - 4) \)

Always multiply back the factors to verify the factorisation is correct.

Use the AC method (split the middle term) to factor quadratics where the leading coefficient is not 1.