Mathematics · Oct / Nov 2025 · Paper 22 · Question 15
0580
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The question as text
Factorise.
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15(a)[1]
(x + 8)(x – 8) final answer [1]
15(b)[2]
(x – 2y)(11x – 12y) oe final answer [2]
M1 for (x – 2y)(5x + 6(x – 2y)) or for (x + ay)(11x + by) where ab = 24 or 11a + b = – 34 or for correct answer seen and spoilt. If 0 scored,
SC1 for 11x2 – 34xy + 24y2
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